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Seminars for Pure Mathematics


Past Events

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Apr 30 2024
Safiah Bawazeer
Simplifying Difference Equations (ATE talk)
Time: 10:00
Location: Zoom
In this talk I will define the notion of integral elements of a difference module. The reason for introducing this concept is because it can be applied to simplify difference equations. Specifically... More
 
Apr 18 2024
Heba Bou KaedBey (FSU)
Solving Third Order Linear Difference Equations in Terms of Second Order Equations
Algebra Seminar
Time: 3:05 pm
Location: LOV 107
Classifying order 3 linear difference operators over C(x) that are solvable in terms of lower order difference operators. In this talk, I will focus on one of the cases of this classification and give... More
 
Apr 11 2024
Piotr Pstrągowski (Harvard)
The even filtration
Algebra Seminar
Time: 3:05 pm
Location: ZOOM
The even filtration, introduced by Hahn-Raksit-Wilson, is a canonical filtration attached to a commutative ring spectrum which measures its failure to be even. Despite its simple definition, the even ... More
 
Apr 5 2024
Abdullah Malik (FSU)
Simplicial Methods in Graph Machine Learning
PhD Defense
Time: 1:00PM
Location: Lov 204-A
The Weisfeiler-Leman algorithm is a powerful test of graph isomorphism, and works by iteratively isolating clusters of nodes via a coloring scheme based on binary relationships. This refinement proces... More
 
Apr 4 2024
Milind Gunjal (FSU)
Introduction to Stable Homotopy Theory
Algebra Seminar
Time: 3:05 pm
Location: LOV 107
In this talk, we will observe the phenomenon of stable homotopy groups of spheres, and we will try to generalize it for a bigger setting by defining spectra. We will also discuss some interesting prop... More
 
Mar 28 2024
Paolo Aluffi (FSU)
An explicit generating function for the Betti numbers of the moduli space of stable, n-pointed rational curves
Algebra Seminar
Time: 3:05 pm
Location: LOV 107
The variety $\overline\mathcal M_{0,n}$ parametrizes stable rational curves with n marked

points. This is a central object in algebraic geometry, as the most studied and best understood moduli<... More
 
Mar 21 2024
Chris Kapulkin (UWO)
Calculus of fractions for higher categories
Algebra Seminar
Time: 3:05 pm
Location: LOV 107
A central objective of (abstract) homotopy theory is to understand the localization of a category at a class of weak equivalences. While the localization is always known to exist, it is typically very... More
 
Mar 7 2024
Brandon Story (FSU)
Multidegrees of Monomial Cremona Transformations
Algebra Seminar
Time: 3:05 pm
Location: LOV 107
Multidegrees are an important sequence of natural numbers associated to a rational map of projective schemes that are closely related to Segre classes. In this talk, we will discuss how one may comput... More
 
Feb 29 2024
Maxime Ramzi (University of Copenhagen)
From Hochschild homology to traces and back
Algebra Seminar
Time: 3:05 pm
Location: ZOOM
Traces in symmetric monoidal categories are a generalization of the trace of a matrix, and they enjoy a number of pleasant properties reminiscent of the usual trace, such as cyclic invariance. In this... More
 
Feb 22 2024
Marcus Lawson (FSU)
Global p-Curvatures of Linear Recurrence Operators
Algebra Seminar/Candidacy Exam
Time: 3:05 pm
Location: LOV 107
Linear Recurrence Operators appear as objects of interest in the study differential equations, number theory, QFT and a variety of other areas. One property that we may look at is the p-Curvature. If... More
 
Feb 8 2024
Franquiz Caraballo Alba (FSU)
Chern-Schwartz-MacPherson classes
Algebra Seminar
Time: 3:05 pm
Location: LOV 107
The Chern-Schwartz-MacPherson (csm) class of a variety X is a generalization of the Chern class of the tangent bundle of X when X is possibly singular. In this talk, we will develop the intuition behi... More
 
Feb 1 2024
Franquiz Caraballo-Alba (FSU)
Matroids: from Linear Independence to Hyperplane Arrangements
Algebra Seminar
Time: 3:05 PM
Location: LOV 0107
Matroids are a combinatorial object generalizing the concept of linear independence in sets of vectors. In this talk we will develop the definition of a matroid, using the study of linearly independen... More
 
Jan 25 2024
Brandon Doherty (FSU)
Cofibration category of directed graphs for path homology
Algebra Seminar
Time: 3:05
Location: LOV 0107
Cofibration categories are categories equipped with designated classes of morphisms, called cofibrations and weak equivalences, satisfying certain properties which allow for the convenient constructio... More
 
Jan 18 2024
Organizational meeting
Algebra seminar
Time: 3:05 PM
Location: LOV 0107
 
Dec 8 2023
Arash Karimi (FSU)
Algebraic theories in infinity categories
Candidacy Exam
Time: 11am
Location: LOV 305
 
Dec 7 2023
Milind Gunjal (FSU)
Group Cohomology with Values in a Picard Category
Algebra seminar
Time: 3:05pm
Location: 106
We will define the cohomology with values in a Picard category, and we will see its application to symmetric monoidal bi-categories followed by a use of biextensions to study the cohomology groups.More
 
Dec 5 2023
Homin Lee (Northwestern)
Smooth actions on manifold by higher rank lattices
Topology/Geometry Seminar
Time: 3:05 PM
Location: LOV 231
We will discuss about smooth actions on manifolds by higher rank groups, such as lattices in SL(n,R) with n ≥ 3 or Z^k with k ≥ 2.



The higher rank property of the acting group sugge... More
 
Nov 30 2023
Amod Agashe (FSU)
Background on modular forms and Hecke operators
Algebra seminar
Time: 3:05pm
Location: 106
In this expository lecture, we will recall the definition of modular forms, go over some properties of L-functions (e.g., analytic continuation), define Hecke operators, and use them in some construct... More
 
Nov 16 2023
Sam Payne (University of Texas at Austin)
Motivic structures in the cohomology of moduli spaces of curves
Algebra seminar
Time: 3:05pm
Location: 106
Cohomology groups of moduli spaces of algebraic curves consist of characteristic classes for surface bundles and appear in many disparate areas of mathematics, from low-dimensional topology to algebra... More
 
Nov 14 2023
Jared Miller (FSU)
Exploring Infinite Type Surfaces
Topology/Geometry Seminar
Time: 3:05 PM
Location: LOV 231
A surface is said to be of finite type if its fundamental group is finitely generated; otherwise we say it is of infinite type. Infinite type surfaces are, in a sense, much more mysterious than finite... More
 
Nov 9 2023
Jeremy Usatine (FSU)
Motivic integration for Artin stacks
Algebra seminar
Time: 3:05pm
Location: 106
A standard method for studying a singular variety is to resolve it by a smooth variety and to then relate invariants of the singular variety to invariants of the smooth one. Motivic integration provid... More
 
Nov 7 2023
Jonathan DeWitt (University of Maryland)
Periodic data rigidity of Anosov diffeomorphisms
Topology/Geometry Seminar
Time: 3:05 PM
Location: LOV 231
Anosov diffeomorphisms are a class of dynamical systems that exhibit strong chaotic behavior. Every known Anosov diffeomorphism is topologically conjugate to a linear Anosov diffeomorphism, called an ... More
 
Nov 2 2023
Carlos di Fiore (University of Buenos Aires)
A short story on cohomological operations, cotangent bundles and non-commutative geometry
Algebra seminar
Time: 3:05pm
Location: Zoom or 106 Love
In this talk we will give non-commutative generalizations of some classical facts about cohomological operations on the derived category of a hypersurface: finite generations of Ext groups, nilpotent ... More
 
Oct 31 2023
Florian Stecker (FSU)
Spherical homogeneous spaces and Anosov representations acting on them
Topology/Geometry Seminar
Time: 3:05 PM
Location: Zoom
We'll look at the double quotient B\G/H, where G is a semisimple Lie group, B a minimal parabolic subgroup, and H any closed subgroup which makes the double quotient finite. Then consider certain disc... More
 
Oct 26 2023
Matthew Winters (FSU)
Reducibility and rational torsion in elliptic curves II
Algebra seminar
Time: 3:05pm
Location: 106
This is the second and last part of a series with the following abstract: Let A be an optimal semistable elliptic curve over the rational numbers and r be a prime such that A has good reduction at r. ... More
 
Oct 24 2023
Ronno Das (Stockholm University)
Hypersurfaces and inclusion-exclusion
Topology/Geometry Seminar
Time: 3:05 PM
Location: Zoom
A generic homogeneous polynomial defines a smooth hypersurface in projective space. Generalizing results of Tommasi and others, we establish homological stability for the space of such smooth polynomi... More
 
Oct 19 2023
Amod Agashe (FSU)
Background on modular forms and elliptic curves
Algebra seminar
Time: 3:05pm
Location: 106
We will give some background on modular forms and elliptic curves that is relevant to Matthew Winters's talks. In particular, we will talk about modular curves, their Jacobians, etc., and time permitt... More
 
Oct 17 2023
Pierre-Louis Blayac (University of Michigan)
Divisible convex sets with properly embedded cones
Topology/Geometry Seminar
Time: 3:05 PM
Location: LOV 0231
A divisible convex set is a convex, bounded, and open subset of an affine chart of the real projective space, on which acts cocompactly a discrete group of projective transformations. These objects ha... More
 
Oct 12 2023
Matthew Winters (FSU)
Reducibility and rational torsion in elliptic curves
Algebra seminar
Time: 3:05pm
Location: 106
Let A be an optimal semistable elliptic curve over the rational numbers and r be a prime such that A has good reduction at r. In a previous talk, we indicated how to show that if r is greater than thr... More
 
Oct 10 2023
Mario Gómez Flores (FSU)
Curvature sets: the spaces of distance matrices of subsets of S^1
Topology/Geometry Seminar
Time: 3:05 PM
Location: LOV 0231
For $n \geq 2$, the $n$-th curvature set $K_n(X)$ of a metric space $X$ is the set of all $n$-by-$n$ distance matrices of points sampled from $X$. We study the topological and geometric structures of ... More
 
Oct 5 2023
Oishee Banerjee (FSU)
Geometric Manin’s conjecture for toric varieties
Algebra seminar
Time: 3:05pm
Location: 106
Manin’s conjecture is about the asymptotics of the number of points on a (Fano) variety of a bounded height over a global field. In this we talk we focus on (a) when the variety is a (complete, simp... More
 
Oct 3 2023
Brandon Doherty (FSU)
Cubical models of higher categories without connections. Part II
Topology/Geometry Seminar
Time: 3:05 PM
Location: LOV 0231
We will discuss the cubical Joyal model structures on the categories of cubical sets both with and without connections, by which cubical sets model the theory of (infinity,1)-categories, and the proof... More
 
Sep 28 2023
Jaydeep Chipalkatti (University of Manitoba)
Enumerative Geometry of Pascal’s Theorem
Algebra seminar
Time: 3:05pm
Location: Zoom or 106
Given six points A, B, C, D, E, F on a nonsingular conic in the complex projective plane, Pascal’s theorem says that the three intersection points AE∩BF, BD∩CE, AD∩CF are collinear. The line c... More
 
Sep 26 2023
Brandon Doherty (FSU)
Cubical models of higher categories without connections
Topology/Geometry Seminar
Time: 3:05 PM
Location: LOV 0231
We will discuss the cubical Joyal model structures on the categories of cubical sets both with and without connections, by which cubical sets model the theory of (infinity,1)-categories, and the proof... More
 
Sep 21 2023
Ettore Aldrovandi (FSU)
Determinant functors and rings up to homotopy II
Algebra seminar
Time: 3:05pm
Location: 106
Determinant functors map a category with a notion of exact

sequence to the 1-type of its K-Theory, in such a way that the exact

sequence in the former corresponds to the tensor p... More
 
Sep 19 2023
Sam Ballas (FSU)
Frame theory on vector bundles
Topology/Geometry Seminar
Time: 3:05 PM
Location: LOV 0231
Vector valued information can be transmitted by describing the coordinates of vectors in a fixed basis, however this method of transmission is not very robust since corruption of a single coordinate c... More
 
Sep 14 2023
Ettore Aldrovandi (FSU)
Determinant functors and rings up to homotopy
Algebra seminar
Time: 3:05pm
Location: 106
Determinant functors map a category with a notion of exact

sequence to the 1-type of its K-Theory, in such a way that the exact

sequence in the former corresponds to the tensor p... More
 
Sep 12 2023
Sam Ballas (FSU)
Frame theory on vector bundles
Topology/Geometry Seminar
Time: 3:05 PM
Location: LOV 0105
Vector valued information can be transmitted by describing the coordinates of vectors in a fixed basis, however this method of transmission is not very robust since corruption of a single coordinate c... More
 
Sep 5 2023
Organizational Meeting
Topology/Geometry Seminar
Time: 3:05 PM
Location: LOV 0105
 
Aug 29 2023
Organizational Meeting
Topology/Geometry Seminar
Time: 3:05 PM
Location: LOV 0105
 
Apr 27 2023
Ettore Aldrovandi (FSU)
Topological Hochschild Homology, Mac Lane Homology, stable K -Theory, and the homology of rings
Algebra and its Applications
Time: 3:05 pm
Location: 0102 LOV
This is an expository talk (mostly). It has been known for a long time that K-Theory of a ring has trace maps towards its Hochschild homology. In the last decade or so of the last century these maps w... More
 
Apr 20 2023
Cindy Lester (FSU)
Multi-Determinant Functors for Triangulated Categories
Algebra and its Applications
Time: 3:05 pm
Location: 0102 LOV
I will discuss current work that extends the notion of determinant functor from triangulated categories to tensor triangulated categories. Specifically, I will discuss some background, motivation and,... More
 
Apr 13 2023
Cindy Lester (FSU)
Generalizing the determinant
Algebra and its Applications
Time: 3:05 pm
Location: 0102 LOV
I will discuss a categorification and generalization of the determinant. Specifically, we will start with the determinant of a matrix from undergraduate linear algebra and discuss how it became a func... More
 
Apr 6 2023
Milind Gunjal (FSU)
Homotopy theory of Model categories
Algebra and its Applications
Time: 3:05 pm
Location: 0102 LOV
The talk is based on a paper by W. G. Dwyer and J. Spalinski. In this talk, I define Model categories, see some examples, then I define homotopy category of Model categories in a couple of ways and se... More
 
Mar 23 2023
Matthew Winters (FSU)
Reducibility and rational torsion in elliptic curves (Part 2)
Algebra and its Applications
Time: 3:05 pm
Location: 0102 LOV
Let A be a semistable elliptic curve over the rational numbers which is optimal, and r be a prime greater than three such that A has good reduction at r. We show that if A[r] is reducible, then A has ... More
 
Mar 9 2023
Matthew Winters (FSU)
Reducibility and rational torsion in elliptic curves
Algebra and its Applications
Time: 3:05 pm
Location: 0102 LOV
Let A be a semistable elliptic curve over the rational numbers which is optimal, and r be a prime greater than three such that A has good reduction at r. We show that if A[r] is reducible, then A has ... More
 
Feb 23 2023
Brandon Story (FSU)
Lorentzian Properties of the Cremona Transformation Segre Zeta Functions
Algebra and its Applications
Time: 3:05 pm
Location: 0102 LOV
A discussion on the relationship between standard and determinantal Cremona transformations and their Segre Zeta function. We will show that the homogenization of the numerator of the Segre Zeta funct... More
 
Feb 16 2023
Reese Madsen (FSU)
Quotients of products of upper half planes by certain groups
Algebra and its Applications
Time: 3:05 pm
Location: 0102 LOV
We will show why the quotient of the product of n upper half planes by a torsion-free discrete subgroup of SL(2,R)^n is a manifold and why the space of forms on the quotient manifold is isomorphic to ... More
 
Feb 9 2023
Mark van Hoeij (FSU)
Generating Function of the Squares of Legendre Polynomials
Algebra and its Applications
Time: 3:05 pm
Location: 0102 LOV
here are a number of classical formulas for the generating functions of sequences defined with Legendre polynomials, but one case had eluded a closed form formula, namely for the sequence $\binom{2n}{... More
 
Jan 26 2023
Ettore Aldrovandi (FSU)
Computer based formalization of Group Theory and Categorical Algebra in Homotopy Type Theory (Part II)
Algebra and its Applications
Time: 3:05 pm
Location: 0102 LOV
I describe some work in progress in collaboration with Keri D’angelo (Cornell — CS) to formalize crossed modules of groups, hence groups, in Homotopy Type Theory using the Agda proof assistant. No... More
 
Jan 19 2023
Ettore Aldrovandi (FSU)
Computer based formalization of Group Theory and Categorical Algebra in Homotopy Type Theory
Algebra and its Applications
Time: 3:05 pm
Location: LOV 0105
I describe some work in progress in collaboration with Keri D’angelo (Cornell — CS) to formalize crossed modules of groups, hence groups, in Homotopy Type Theory using the Agda proof assistant. No... More
 
Oct 27 2022
Keri D’Angelo (Cornell (CS))
A Coalgebraic Approach to Reduction of Automata
Algebra seminar
Time: 3:05pm
Location: Zoom
Automata are useful in the study of computation and ubiquitous in computer science. A major question that arises in this field is whether an automaton can be reduced and act the same way as the origin... More
 
Oct 20 2022
Paolo Aluffi (FSU )
Numerators of Segre zeta functions and Lorentzian polynomials II
Algebra seminar
Time: 3:05pm
Location: 330
The Segre class is an invariant capturing essential intersection-theoretic

information concerning embeddings of e.g., subvarieties of an algebraic variety.

Every homogeneous ideal of a p... More
 
Oct 13 2022
Paolo Aluffi (FSU )
Numerators of Segre zeta functions and Lorentzian polynomials I
Algebra seminar
Time: 3:05pm
Location: 330
The Segre class is an invariant capturing essential intersection-theoretic

information concerning embeddings of e.g., subvarieties of an algebraic variety.

Every homogeneous ideal of a p... More
 
Oct 6 2022
Fields medalist June Huh’s talk at the 2022 ICM
Algebra seminar
Time: 3:05pm
Location: 330
We will watch June Huh’s ICM talk, titled "Combinatorial applications of the

Hodge–Riemann relations”. The abstract of this talk is



"Why do natural and interesting sequence... More
 
Sep 22 2022
Reese Madsen (FSU )
On the cohomology groups of Hecke congruence subgroups for totally real number fields II
Algebra seminar
Time: 3:05pm
Location: 330
We will show that the cohomology of Hecke congruence subgroups of a certain degree can be completely described by compactly supported cohomology. A key step in this process will be to extend a form th... More
 
Sep 15 2022
Reese Madsen (FSU )
On the cohomology groups of Hecke congruence subgroups for totally real number fields
Algebra seminar
Time: 3:05pm
Location: 105
The Hecke congruence subgroup is a subgroup of the Hilbert Modular group. We will first talk about the number theory needed to understand these groups. Then we will move on to examine the stabilizer o... More
 
Sep 8 2022
Amod Agashe (FSU)
Stark-Heegner/Darmon points
Algebra seminar
Time: 3:05pm
Location: 105 Love
Stark-Heegner points (also called Darmon points) are certain

points defined on elliptic curves using analytic constructions, but

are conjectured to have algebraic coordinates. They are a... More
 
Sep 1 2022
Organizational meeting
Algebra seminar
Time: 3:05pm
Location: 105
This will be an organizational meeting.
 
Apr 21 2022
Milind Gunjal (FSU)
Stabilization of 2-Crossed Modules
Algebra Seminar
Time: 3:05
Location: LOV 301
The goal of this talk is to stabilize 2-Crossed modules by putting a symmetric monoidal 2-category structure on them. We will also see outputs of the K-theory of Waldhausen categories in terms of corr... More
 
Apr 14 2022
Franquiz Arturo Caraballo Alba (FSU)
The First non-trivial Coefficient of the APP of a Smooth Hypersurface in P^3
Algebra Seminar
Time: 3:05
Location: LOV 301
The Adjusted Predegree Polynomial (APP) is an algebraic invariant of hypersurfaces in n-dimensional projective space that encodes information about the closure of their orbit under the action of PGL(n... More
 
Apr 8 2022
Yi Zhou (FSU)
Algorithms for Factoring Linear Recurrence Operators
Time: 1:00
Location: Zoom
In this thesis we develop a few algorithms that are useful for factoring linear recurrence operators. We approach the factorization problem from three directions. First, considering reduction modulo a... More
 
Apr 7 2022
Salash Nabaala (FSU)
Non-commutative Geometry
Algebra Seminar
Time: 3:05
Location: LOV 301
The topic of this talk will be non-commutative geometry. Specifically, the categorical approach taken to realize certain abelian categories as "spaces". As an instance, the category of commutative r... More
 
Mar 31 2022
Brandon Story (FSU)
Motives of Melonic Graphs
Algebra Seminar
Time: 3:05
Location: LOV 301
This talk is based on the paper: Motives of Melonic Graphs, by Aluffi, Marcolli and Qaisar.
 
Mar 24 2022
Niles Johnson (Ohio State)
Graded Picard categories and the 2-type of the sphere
Algebra seminar
Time: 3:05
Location: LOV 301
The Stable Homotopy Hypothesis connects symmetric monoidal algebra and stable homotopy theory. In a classical special case, the tensor product of graded abelian groups leads to a model for the 1-dimen... More
 
Mar 10 2022
Mark van Hoeij (FSU)
The Riemann Existence Theorem, and applications to the Inverse Galois Problem.
algebra seminar
Time: 3:05
Location: LOV 301
This talk will start with the Riemann Existence Theorem. We will show how it implies that for any finite group G, there exist number fields K and F with Gal(K/F) = G. Next we will discuss the issues o... More
 
Feb 24 2022
Man Cheung Tsui (FSU)
Hilbert’s irreducibility theorem
Algebra Seminar
Time: 3:05
Location: LOV 301
This is an expository talk on Hilbert’s irreducibility theorem and the inverse Galois problem following Chapter 8 of Lang, Diophantine Geometry.
 
Feb 15 2022
Matthew Winters (FSU)
Torsion in Modular Abelian Varieties
Candidacy exam
Time: 3:05pm
Location: Zoom
Elliptic curves appear in many areas of mathematics, and abelian varieties can be viewed as higher dimensional analogues of elliptic curves. This talk discusses possible generalizations of results on ... More
 
Feb 3 2022
Mark van Hoeij (FSU)
Recurrence relations and the Lindemann–Weierstrass theorem
Algebra seminar
Time: 3:05
Location: LOV 301
In this talk I'll present a method to obtain irrationality results using recurrence relations, and use it to derive the Lindemann-Weierstrass theorem. The approach is motivated by Apery's proof of th... More
 
Feb 3 2022
Mark van Hoeij (FSU)
Recurrence relations and the Lindemann–Weierstrass theorem
Algebra seminar
Time: 3:05
Location: LOV 301
In this talk I'll present a method to obtain irrationality results using recurrence relations, and use it to derive the Lindemann-Weierstrass theorem. The approach is motivated by Apery's proof of th... More
 
Jan 27 2022
Tao Song (University of Pennsylvania)
Sustained p-divisible groups and the strong rigidity conjecture
Algebra
Time: 3:05
Location: Zoom
When we look at the moduli space of abelian varieties, some 'linear spaces' naturally pop up. A classical example is the Serre-Tate coordinates, which says that the local deformation space of an ordin... More
 
Dec 9 2021
Milind Gunjal (FSU)
2-type of the K-theory of a Waldhausen category
Candidacy Exam
Time: 1pm
Location: Zoom
 
Dec 8 2021
Franquiz Caraballo-Alba (FSU)
Adjusted Predegree Polynomial of a Quadric in P^3
Candidacy exam
Time: 5:00 pm
Location: zoom
 
Dec 2 2021
Matthew Winters (FSU)
Equivalence between definitions and constructions of elliptic curves
Algebra seminar
Time: 3:05pm
Location: 104 or Zoom
Elliptic curves are defined as smooth projective algebraic curves of genus one with a specified base point. This talk will show the equivalence of this definition to a curve cut out by an explicit cub... More
 
Nov 18 2021
Franquiz Caraballo-Alba (FSU)
The Adjusted Predegree Polynomial of a Hypersurface in P^n
Algebra seminar
Time: 3:05pm
No location for this even specified.
PGL(n+1) acts on homogeneous polynomials on n+1 variables by a linear change of variables. In this talk, we will interpret this as an action of PGL(n+1) on subvarieties of P^n and we will construct an... More
 
Nov 4 2021
Amod Agashe (FSU)
Torsion and arithmetic component groups of elliptic curves II
Algebra seminar
Time: 3:05pm
No location for this even specified.
This is the second part of the talk with the same title. We will briefly review what is needed from the first talk. The abstract for the series is: The orders of the torsion and arithmetic component ... More
 
Oct 28 2021
Amod Agashe (FSU)
Torsion and arithmetic component groups of elliptic curves
Algebra seminar
Time: 3:05pm
No location for this even specified.
The orders of the torsion and arithmetic component groups of elliptic curves show up in the second part of the Birch and Swinnerton-Dyer conjecture. We shall recall the objects and the conjecture men... More
 
Oct 21 2021
Abdullah Malik (FSU)
Axiomatization of Differential Cohomology
Algebra seminar
Time: 3:05pm
No location for this even specified.
Differential Cohomology is a cohomological theory which extends topological cohomology theories. These latter generalized cohomology theories are those which satisfies Eilenberg-Steenrod axioms, an ex... More
 
Oct 14 2021
Amod Agashe (FSU)
The cohomology groups of certain quotients of products of upper half planes and upper half spaces II
Algebra seminar
Time: 3:05pm
No location for this even specified.
This will be part 2 of the talk with the same abstract as before (I will recall whatever is needed from the first talk): We shall discuss the cohomology groups of quotients

of products of upper... More
 
Oct 7 2021
Amod Agashe (FSU)
The cohomology groups of certain quotients of products of upper half planes and upper half spaces
Algebra seminar
Time: 3:05pm
No location for this even specified.
We shall discuss the cohomology groups of quotients

of products of upper half planes and upper half spaces under the action of certain types of groups (usually arithmetic in nature). When the ... More
 
Sep 30 2021
cancelled
Algebra seminar
Time: 3:05pm
No location for this even specified.
 
Sep 23 2021
Yi Zhou (FSU)
Fast Algorithm for Desingularization of Difference Operators and Its Application in Computing $p$-Characteristic Polynomial
Algebra seminar
Time: 3:05pm
No location for this even specified.
A classical method to desingularize a difference operator is taking the left common least multiple (LCLM) with another suitably chosen operator. In this talk we present a new desingularization algorit... More
 
Sep 16 2021
Man Cheung Tsui (FSU)
Differential Essential Dimension
Algebra seminar
Time: 3:05pm
No location for this even specified.
In this talk we will discuss simplifying the general matrix differential equation by means of gauge transformations. We will first review the differential Galois theory for matrix differential equatio... More
 
Sep 9 2021
Man Cheung Tsui (FSU)
Essential Dimension
Algebra seminar
Time: 3:05pm
No location for this even specified.
Using the change of variables $x = y − a/2$, the general quadratic $x^2 + ax + b$ simplifies to the polynomial $y^2 + c$ in one parameter $c = b − a^2/2$. Similarly, a linear change of variables s... More
 
Sep 2 2021
Organizational meeting
Algebra seminar
Time: 3:05pm
No location for this even specified.
This will be an organizational meeting. I will email the Zoom link to those in the department before the scheduled time.
 
Apr 27 2021
Paige North (University of Pennsylvania)
The Univalence Principle
Homotopy Theory Seminar
Time: 5pm
Location: Zoom
Univalent foundations (a.k.a homotopy type theory) is a foundation of mathematics based on dependent type theory. It has interpretations in the classical model structure on simplicial sets and other m... More
 
Apr 13 2021
Maximilien Péroux (University of Pennsylvania)
Coalgebras and comodules in stable homotopy theory.
Homotopy Theory Seminar
Time: 5pm
Location: Zoom
In higher algebra, we study algebraic objects endowed with a multiplication that is associative only up to (coherent) homotopy, or commutative up to (coherent) homotopy. In this Brave new algebra, we ... More
 
Apr 8 2021
Melissa Emory (University of Toronto)
TBA
Algebra and Its Applications
Time: 3:05
Location: Zoom
 
Apr 6 2021
Alexander Campbell (Centre of Australian Category Theory, Macquarie University)
A model-independent construction of the Gray monoidal structure for (infinity,2)-categories
Homotopy Theory Seminar
Time: 6pm
Location: Zoom
In this talk I will describe joint work with Yuki Maehara in which we give a model-independent (i.e. a purely infinity-categorical) construction of the (non-symmetric) Gray monoidal structure on the i... More
 
Apr 1 2021
Joe Webster (University of Oregon)
The p-adic Mehta Integral
Algebra and Its Applications
Time: 3:05
Location: Zoom
 
Mar 25 2021
Raghuram (IISER Pune)
An introduction to Eisenstein Cohomology and its arithmetic applications
Algebra and Its Applications
Time: 9:45AM
Location: Zoom
 
Mar 23 2021
Martina Rovelli (University of Massachusetts Amherst)
n-complicial sets as a model for (infinity, n)-categories
Homotopy Theory Seminar
Time: 5 pm
Location: Zoom
With the rising significance of (infinity, n)-categories, it is important to have easy-to-handle models for those and understand them as much as possible. In this introductory talk we will discuss how... More
 
Mar 18 2021
Kaneenika Sinha (IISER Pune)
Central limit theorems for Sato-Tate sequences
Algebra and Its Applications
Time: 9:45AM
Location: Zoom
 
Mar 11 2021
Adriana Salerno (Bates College)
Hasse-Witt matrices and mirror toric pencils
Algebra and Its Applications
Time: 3:05
Location: Zoom
Mirror symmetry predicts unexpected relationships between arithmetic properties of distinct families of algebraic varieties. For example, Wan and others have shown that for some mirror pairs, the numb... More
 
Mar 4 2021
Kate Petersen (FSU)
Average Height Bounds
Algebra and Its Applications
Time: 3:05
Location: Zoom
 
Feb 25 2021
Melissa Emory (University of Toronto)
A multiplicity one theorem for general spin groups
Algebra and Its Applications
Time: 3:05
Location: Zoom
 
Feb 11 2021
Ettore Aldrovandi (FSU)
Fiber integration in K-Theory and a construction of Deligne's
Algebra and Its Applications
Time: 3:05
Location: Zoom
 
Feb 9 2021
Rhiannon Griffiths (Case Western Reserve University)
Enriched Model Categories for Functor Calculus
Homotopy Theory Seminar
Time: 5 pm
Location: Zoom
We present results necessary for developing model categories of enriched functors suitable for doing functor calculus. As a first example, we show how the discrete functor calculus of Bauer, Johnson a... More
 
Feb 4 2021
Mark van Hoeij (FSU)
Modular GCD Algorithm
Algebra and Its Applications
Time: 3:05
Location: Zoom
 
Jan 28 2021
Alia Hamieh (UNBC)
Mean Values of Long Dirichlet Polynomials with Higher Divisor Coefficients
Algebra and Its Applications
Time: 3:05
Location: Zoom
 
Jan 19 2021
Christina Osborne (Cedarville University)
Decomposing the classifying diagram in terms of classifying spaces of groups
Homotopy Theory Seminar
Time: 5 pm
Location: Zoom
The classifying diagram was defined by Rezk and is a generalization of the nerve of a category; in contrast to the nerve, the classifying diagram of two categories is equivalent if and only if the cat... More
 
Dec 3 2020
Daniel Vallieres (California State University, Chico)
Numerical evidence for higher-order Stark-type conjectures
Algebra seminar
Time: 3:35pm
Location: Zoom
This is joint work with Kevin McGown and Jonathan Sands. We will provide numerical evidence for related conjectures of Stark, Rubin, Popescu, and Burns concerning L-functions for abelian extensions of... More
 
Dec 1 2020
Brandon Doherty (University of Western Ontario)
Cubical models of (infinity,1)-categories
Homotopy Theory
Time: 5pm
Location: Zoom
We describe a new model structure on the category of cubical sets with connections whose cofibrations are the monomorphisms and whose fibrant objects are defined by the right lifting property with res... More
 
Nov 20 2020
Nima Rasekh (École Polytechnique Fédérale de Lausanne)
Thom spectra, higher THH and Tensors in infinity-Categories
Homotopy Theory
Time: 1:25pm
Location: Zoom
In this talk we will show how we can use the formalism of presentable infinity-categories and the fact that they are tensored over spaces to present a new and formal method to compute higher THH of va... More
 
Nov 19 2020
Cindy Lester (FSU)
The homotopical canonical Grothendieck topology
Algebra seminar
Time: 3:35pm
Location: Zoom
Every category can be equipped with the canonical Grothendieck topology, which can be explicitly described using colimits. However, colimits are not homotopy invariant. By instead using homotopy colim... More
 
Nov 12 2020
John Berman (University of Texas at Austin)
Algebraic K-theory and the zeta function
Algebra seminar
Time: 3:35pm
Location: Zoom
Deninger suggested that a Weil cohomology theory in Arakelov geometry (not yet constructed) could be used to prove the Riemann Hypothesis. I will survey the relationship between the zeta function and ... More
 
Nov 5 2020
Amod Agashe (FSU)
Rational torsion in elliptic curves and the cuspidal subgroup II
Algebra seminar
Time: 3:35pm
Location: Zoom
This will be a continuation of the previous talk with the same title. We will go over the notion of modular forms and give more details of the proof of the result that we mentioned last time. We will ... More
 
Oct 29 2020
Yi Zhou (FSU)
An Algorithm for Factoring Polynomials and Differential/Difference Operators
Algebra seminar
Time: 3:35pm
Location: Zoom
Beke-Bronstein algorithm is an elegant one for factoring differential operators. We reformulate the theory part in terms of exterior modules. It turns out the reformulation is also theoretically valid... More
 
Oct 22 2020
Leonardo Mihalcea (Virginia Tech)
Mather classes for Schubert varieties in Grassmannians
Algebra seminar
Time: 3:35pm
Location: Zoom
In the theory of characteristic classes of singular varieties, the Mather class of a variety X plays a central role. It is a longstanding problem to calculate this class for X a Schubert variety in a ... More
 
Oct 15 2020
Daniel Fuentes-Keuthan (Johns Hopkins)
K-theory as a Quillen Equivalence of Multicategories and Connective Spectra
Algebra seminar
Time: 3:35pm
Location: Zoom
The classifying space of a category allows us to view categories through a topological lens. When a category carries extra structure, such as a symmetric monoidal tensor product, this structure gets p... More
 
Oct 13 2020
Sara Maloni (Virginia)
Convex hulls of quasicircles in hyperbolic and anti-de Sitter space
Topology and Geometry Seminar
Time: 3:35p
Location: Zoom
Thurston conjectured that quasi-Fuchsian manifolds are determined by the induced hyperbolic metrics on the boundary of their convex core and Mess generalized those conjectures to the context of global... More
 
Oct 8 2020
Amod Agashe (FSU)
Rational torsion in elliptic curves and the cuspidal subgroup
Algebra seminar
Time: 3:35pm
Location: Zoom
Let E be an elliptic curve defined over the rational numbers. Then, up to isogeny, one can view E as an abelian subvariety of a certain Jacobian J of a modular curve. We will show that under some hypo... More
 
Oct 6 2020
Gye-Seon Lee (Sungkyunkwan University)
Convex real projective Dehn filling
Topology and Geometry Seminar
Time: 9:30a
Location: Zoom
Hyperbolic Dehn filling theorem proven by Thurston is a fundamental theorem of hyperbolic 3-manifold theory, but it is not true anymore in dimension > 3. Since hyperbolic geometry is a sub-geometry of... More
 
Oct 1 2020
Ettore Aldrovandi (FSU)
An introducton to Homotopy Type Theory II
Algebra seminar
Time: 3:35pm
Location: Zoom
Homotopy Type Theory is a new field of mathematics which combines

Homotopy Theory and Type Theory, a branch of mathematical logic and

computer science, in an innovative way. Type Theory ... More
 
Sep 24 2020
Ettore Aldrovandi (FSU)
An introducton to Homotopy Type Theory
Algebra seminar
Time: 3:35pm
Location: Zoom
Homotopy Type Theory is a new field of mathematics which combines

Homotopy Theory and Type Theory, a branch of mathematical logic and

computer science, in an innovative way. Type Theory ... More
 
Sep 17 2020
Mark van Hoeij (FSU)
Sporadic Cubic Torsion, Part II
Algebra seminar
Time: 3:35pm
Location: Zoom
This talk is a continuation of last week's talk. To make the talk accessible for all graduate students, I’ll

focus on one case and make it explicit as possible.



Part I: How ... More
 
Sep 15 2020
Dani Kaufman (Maryland)
Markov Numbers, Teichmüller Theory and Cluster Algebra Invariants.
Topology and Geometry Seminar
Time: 3:35p
Location: Online
The Markov numbers have been studied in connection with quadratic forms and diophantine approximation since the 1880s. These numbers satisfy a simple diophantine equation and have a particularly nice ... More
 
Sep 10 2020
Mark van Hoeij (FSU)
Sporadic Cubic Torsion
Algebra seminar
Time: 3:35pm
Location: Zoom
Let $K$ be a number field, and let $E/K$ be an elliptic curve over $K$.

The Mordell--Weil theorem says that the $K$-rational points $E(K)$ of $E$

form a finitely generated abelian group.... More
 
Sep 3 2020
(FSU)
Organizational meeting
Algebra seminar
Time: 3:35pm
Location: Zoom
 
Apr 23 2020
Mark van Hoeij (Florida State University)
How to define the natural numbers
Algebra and Its Applications
Time: 3:35pm
Location: This will be an online seminar
Lets construct the natural numbers:

N = {0, 1, 2, 3, 4, ...}

The dots mean "and so on”.  But what does “and so on” mean? It means this:

* I gave some examples.* Constructin... More
 
Apr 16 2020
Shayea Aldossari (Florida State University)
CANCELED
Algebra and Its Applications
Time: 3:35pm
Location: LOV 104
CANCELED
 
Apr 9 2020
Lydia Eldredge (Florida State University)
CANCELED
Algebra and Its Applications
Time: 3:35pm
Location: LOV 104
CANCELED
 
Apr 2 2020
Yi Zhou (Florida State University)
CANCELLED
Algebra and Its Applications
Time:
No location for this even specified.
CANCELLED
 
Mar 26 2020
Grayson Jorgenson (Florida State University)
Secant indices of projective varieties
Algebra and Its Applications
Time: 3:35pm
Location: fsu.zoom.us/j/248086872
To each subvariety of projective space we associate an integer sequence that records the maximal cardinalities of its intersections with linear subvarieties. We call this the sequence of secant indice... More
 
Mar 12 2020
Benjamin Prather (Florida State University)
Quasialgebra structure of the octonions
Algebra and Its Applications
Time: 3:35pm
Location: LOV 104
I plan to discuss topics from the 1998 paper "Quasialgebra structure of the octonions" by H. Albuquerque, S. Majid.
 
Mar 5 2020
Tyler Foster (Florida State University)
Witt vectors and factorization statistics
Algebra and Its Applications
Time: 3:35pm
Location: LOV 104
 
Feb 24 2020
Rizwanur Khan (The University of Mississippi)
Non-vanishing of Dirichlet L-functions
Algebra and Its Applications
Time: 3:35 PM
Location: LOV 201
L-functions are fundamental objects in number theory. At the central point s = 1/2, an L-function L(s) is expected to vanish only if there is some deep arithmetic reason for it to do so (such as in th... More
 
Feb 20 2020
Amod Agashe (Florida State University)
The modular number, congruence number, and multiplicity one
Algebra and Its Applications
Time: 3:35pm
Location: LOV 104
The modular number and congruence number are certain invariants associated to modular abelian varieties (e.g., elliptic curves), and in joint work with K. Ribet, we proved a relation between them. Mul... More
 
Feb 13 2020
Amod Agashe (Florida State University)
The modular number, congruence number, and multiplicity one
Algebra and Its Applications
Time: 3:35pm
Location: LOV 104
The modular number and congruence number are certain invariants associated to modular abelian varieties (e.g., elliptic curves), and in joint work with K. Ribet, we proved a relation between them. Mul... More
 
Feb 6 2020
Dave Massey (Northeastern)
Lê Cycles, Jacobian Blow-Ups, and Segre Classes
Algebra and Its Applications
Time: 3:35pm
Location: LOV 104
Having defined the Lê cycles in the previous talk, I will explain how they are related to the exceptional divisor of the blow-up of the jacobian ideal. This will enable us to see that the sum of the ... More
 
Jan 30 2020
Dave Massey (Northeastern)
Lê Cycles and the local topology of Complex Hypersurfaces
Algebra and Its Applications
Time: 3:35pm
Location: LOV 104
I will recall the definition of the Milnor fibration of a complex hypersurface, define the Lê cycles and Lê numbers of a hypersurface with arbitrary singularities, and give several examples. Then I ... More
 
Jan 23 2020
Paolo Aluffi (Florida State University)
Generalities on proper intersections and blow-ups
Algebra and Its Applications
Time: 3:35pm
Location: LOV 104
Prof. David Massey will visit the department for two weeks, and give talks in our seminar. My talk will review several notions from algebraic geometry which will be assumed as background in Massey’s... More
 
Dec 5 2019
Lydia Eldredge (FSU)
Small Mahler Measure in Cubic Fields
Algebra seminar
Time: 3:35pm
Location: 104 Love
The Mahler measure of a polynomial with integer coefficients, is the product, taken over all roots whose modulus is greater than 1 and the absolute value of its leading coefficient. We'll talk about t... More
 
Nov 21 2019
Lenny Fukshansky (Claremont McKenna College)
Lattices from group frames and vertex transitive graphs
Algebra and Its Applications
Time: 3:35 PM
Location: LOV 104
Tight frames in Euclidean spaces are widely used convenient generalizations of orthonormal bases. A particularly nice class of such frames is generated as orbits under irreducible actions of finite gr... More
 
Nov 20 2019
A. Anderson (FSU)
Riesz energy on self similar sets
Algebras and Analysis
Time: 3:35
Location: 104 Love
 
Nov 14 2019
Shayea Aldossari (FSU)
Relative Invariants and Their Application in Simplifying Linear Differential Operators
Algebra seminar
Time: 3:35pm
Location: 104 Love
Let L be a differential operator in C(x)[d/dx]. We say that L descends to a simpler differential operator L1 if L is obtained from L1 under change of variables transformation (x maps to f , deg(f)>1)... More
 
Nov 7 2019
Tyler Foster (FSU)
CANCELLED Semi-annular covers of p-adic points in varieties of general type
Algebra seminar
Time: 3:35pm
Location: 104 Love
One important step in Stoll, Katz, Rabinoff, and Zureick-Brown's recent results, regarding conditional uniform bounds on the number of rational points in curves of genus 2-or-greater, is a covering pr... More
 
Nov 6 2019
A. Anderson (FSU)
Riesz energy on self similar sets
Algebras and Analysis
Time: 3:35
Location: 104 Love
 
Oct 31 2019
Sam Ballas (FSU)
Thin groups, expanders, and superstrong approximation
Algebra seminar
Time: 3:35pm
Location: 104 Love
A basic consequence of the Chinese remainder theorem is that for any m, any matrix in SL(2,Z/mZ) can be obtained by reducing the coefficients of a matrix in SL(2,Z) mod m. This is the simplest instanc... More
 
Oct 24 2019
Benjamin Prather (FSU)
Non-associative Modules II
Algebra seminar
Time: 3:35pm
Location: 104 Love
Considerations of the action of a non-associative algebra

motivates the non-associative modules of Serge Lang. Under suitable restrictions, one can construct a category of modules. This admits ... More
 
Oct 23 2019
A. Anderson (FSU)
Riesz energy on self similar sets
Algebras and Analysis
Time: 3:35
Location: 104 Love
 
Oct 17 2019
Benjamin Prather (FSU)
Non-associative Modules
Algebra seminar
Time: 3:35pm
Location: 104 Love
Considerations of the action of a non-associative algebra

motivates the non-associative modules of Serge Lang. Under suitable restrictions, one can construct a category of modules. This admits ... More
 
Oct 10 2019
Morgan Brown (University of Miami)
Algebra seminar
Time: 3:35pm
Location: 104 Love
 
Oct 10 2019
Morgan Brown (University of Miami)
The Skeleton of a Product of Degenerations
Algebra seminar
Time: 3:35pm
Location: 104 Love
The essential skeleton is an invariant of a degeneration that appears in both Berkovich geometry and minimal model theory. I will show that for degenerations with a semistable model, the essential ske... More
 
Oct 9 2019
M. Ingram
Divisors and the genus
Algebras and Analysis
Time: 3:35
Location: 104 Love
 
Oct 8 2019
Wolfgang Heil (FSU)
2-stratifolds and 3-manifolds
Topology and Geometry Seminar
Time: 3:35p
Location: LOV 201
2-stratifolds are a generalization of 2-manifolds in that there are disjoint simple closed branch curves. Since every 3-manifold has some 2-complex as a spine one may ask which 3-manifolds have 2-stra... More
 
Oct 3 2019
Yi Zhou (FSU)
Algorithms on p-Curvatures of Linear Difference Operators
Algebra seminar
Time: 3:35pm
Location: 104 Love
In the study of factoring linear difference operators, we have found p-curvature a powerful tool. I will talk about algorithms for computing p-curvatures and the math behind them.



 
Oct 2 2019
M. Ingram
Divisors and the genus
Algebras and Analysis
Time: 3:35
Location: 104 Love
 
Sep 27 2019
Dmitri Ryabogin (Kent State University)
A solution to a local version of the fifth Busemann-Petty Problem.
Mathematics Colloquium
Time: 3:35
Location: Love 101
n 1956, Busemann and Petty posed a series of questions about symmetric convex bodies, of which only the first one has been solved. Their fifth problem asks the following. Let K be an origin symmetric ... More
 
Sep 26 2019
Michael Niemeier (FSU)
Central Extensions and Homotopy Fiber Sequences
Algebra seminar
Time: 3:35pm
Location: 104 Love
It is well known that isomorphism classes of central extensions, A-->E-->G, correspond to homotopy classes of maps between classifying spaces [BG,B^2A]. It is natural then to ask if there is a corresp... More
 
Sep 25 2019
M. Ingram (FSU)
The Genus of a Field Extension
Algebras and Analysis
Time: 3:35
Location: 104 Love
 
Sep 19 2019
Grayson Jorgenson (FSU)
Special intersections and counting lines on surfaces
Algebra seminar
Time: 3:35pm
Location: 104 Love
Given n degree d hypersufaces in projective n-space with zero-dimensional intersection, the degree of the intersection is d^n by Bézout's theorem. Determining the maximal degree of a zero-dimensional... More
 
Sep 18 2019
M. Ingram
Places of a Field
Algebras and Analysis
Time: 3:35
Location: 104 Love
 
Sep 17 2019
Sam Ballas (FSU )
Arithmetic hyperbolic 3-manifolds
Topology and Geometry Seminar
Time: 3:35
Location: LOV 201
I will explain how we can use techniques from algebraic number theory to construct examples of hyperbolic 3-manifolds. Outside of some elementary Galois theory, no background in number theory will be ... More
 
Sep 12 2019
Mark van Hoeij (FSU)
Theorems for the Zome construction toy (Math fun day)
Algebra seminar
Time: 3:35pm
Location: 104 Love
Zome is a neat construction kit featured during Math Fun Day. It is based

on the icosahedral symmetry group A5.

This talk will show how material taught in graduate algebra can be

... More
 
Sep 11 2019
Mark Ingram
Places of a Field
Algebras and Analysis
Time: 3:35
Location: 102 Love
 
Sep 10 2019
Alex Casella (FSU )
Tame CP1 structure on the thrice punctures sphere with triangular holonomy.
Topology and Geometry Seminar
Time: 3:35
Location: LOV 201
CP1 structures are geometric structures modelled on the complex projective line, acted on by the projective group PSL(2,C). These structures are not as rigid as Riemmannian structures (like Euclidean,... More
 
Sep 5 2019
Organizational meeting
Algebra seminar
Time: 3:35pm
Location: 104 Love
 
Sep 4 2019
Organizational meeting
Algebras and Analysis
Time: 3:35
No location for this even specified.
 
Sep 3 2019
Ben Prather (FSU Math)
Dueling metric spaces
Topology and Geometry Seminar
Time: 3:35
Location: LOV 201
We consider smooth manifolds endowed with two metrics and the resulting geometric structures.

A motivating example come from classical tests of general relativity, where an empirical Galilean m... More
 
Apr 25 2019
Yi Zhou (FSU)
Algorithms for Factoring Difference Operators II
Algebra and Its Applications
Time: 3:35 PM
Location: LOV 104
In this talk the algorithm for bounding x-degrees of right-hand factors will be introduced. I will focus on the notion of generalized exponents, which plays a crucial role in the algorithm. Generalize... More
 
Apr 18 2019
Lydia Eldredge (FSU)
Finding the smallest Mahler Measure in a Quadratic Field
Algebra and Its Applications
Time: 3:35 PM
Location: LOV 104
I'll talk about the problem of finding the algebraic integer of smallest Mahler measure in a given number field. (Where this integer is not a root of unity and is a primitive element.) I'll begin wit... More
 
Apr 17 2019
M. Ingram
Algebraic Function Fields II
Algebras and Analysis
Time: 3:35
Location: 104 love
 
Apr 11 2019
Yi Zhou (FSU)
Algorithms for Factoring Difference Operators
Algebra and Its Applications
Time: 3:35 PM
Location: LOV 104
This is an ATE exam.
 
Apr 10 2019
Judith Vanegas (Universidad Tecnico Manabi, Ecuador)
Weighted Dirac Operators
Algebras and Analysis
Time: 3:35
Location: 104 Love3
 
Apr 3 2019
Judith Vanegas
A Robin problem for the Bitsadze equation
Algebras and Analysis
Time: 3:35
Location: 104 Love
 
Apr 2 2019
Sam Ballas (FSU)
Gluing equation for projective structures on 3-manifolds
Topology and Geometry Seminar
Time: 3:35p
Location: 201
One of Thurston’s many amazing ideas are his hyperbolic gluing equations. Roughly speaking, given an ideally triangulated 3-manifold M, one can construct a set of complex polynomial equations whose ... More
 
Mar 28 2019
Grayson Jorgenson (FSU)
A relative Segre zeta function
Algebra and Its Applications
Time: 3:35PM
Location: LOV 104
We describe a generalization of the Segre zeta function defined by Aluffi to subschemes of projective bundles. Given a rational map of projective bundles P(F) to P(E) induced by a surjection of the un... More
 
Mar 27 2019
M. Ingram
Algebraic Function Fields II
Algebras and Analysis
Time: 3:35
Location: 104 Love
 
Mar 13 2019
M. Ingram
Algebraic Function Fields
Algebras and Analysis
Time: 3:35
Location: 104 Love
 
Mar 7 2019
Tyler Foster (FSU)
Katz, Rabinoff, and Zureick-Brown's work on rational point counts II
Algebra and Its Applications
Time: 3:35 PM
Location: LOV 104
 
Mar 6 2019
B. Prather
Hopf Algebras : Explicit Examples
Algebras and Analysis
Time: 3:35
Location: 104 Love
 
Feb 28 2019
Anh Tran (University of Texas at Dallas)
Some conjectures about the colored Jones polynomial.
Special Algebra/Topology Seminar
Time: 3:35 PM
Location: LOV 104
We will discuss some old and new conjectures about the colored Jones polynomial.

These include the volume conjecture, AJ conjecture, slope conjecture, and strong slope conjecture.

The vo... More
 
Feb 27 2019
B. Prather
Hopf Algebras
Algebras and Analysis
Time: 3:35
Location: 104 Love
 
Feb 26 2019
Anindya Chanda (FSU)
An introduction to Hyperbolic Groups With Word Metric in the Language of Automatons
Geometry Seminar
Time: 2:00
Location: 104 LOV
In Geometric and Combinatorial Group Theory, we study finitely generated groups by relating them with their geometric counterparts, Cayley Graphs, endowed with a metric, the so called the word metric.... More
 
Feb 21 2019
Tyler Foster
Katz, Rabinoff, and Zureick-Brown's work on rational point counts
Algebra and Its Applications
Time: 3:35 PM
Location: LOV 104
Last semester, I gave several talks introducing the non-Archimedean analytic background necessary for Katz, Rabinoff, and Zureick-Brown's proof that there exists a uniform bound on the number of ratio... More
 
Feb 20 2019
Nathan Reilly
Eisenstein Series and Modular Functions
Algebras abd Analysis
Time: 3:35
Location: 104 Love
 
Feb 13 2019
Nathan Reilly
The Eisenstein series and Modular Functions
Algebras and Analysis
Time: 3:35
Location: 104 Love
 
Feb 7 2019
Mark van Hoeij (FSU)
The Complexity of Computing all Subfields of an Algebraic Number Field
Algebra and Its Applications
Time: 3:35 PM
Location: LOV 104
For a finite separable field extension K/k, all subfields can be obtained by intersecting so-called principal subfields of K/k. The talk will present a way to quickly compute these intersections. If t... More
 
Feb 5 2019
John Bergschneider (FSU)
Finite 2-Stratifold Groups
Topology and Geometry Seminar
Time: 3:35p
Location: 201
2-Stratifolds are a generalization of closed surfaces in that they contain simple closed curves where several sheets meet. Currently, there is no general classification of these spaces or their funda... More
 
Feb 4 2019
Alex Reznikov (FSU)
A sum-product estimate in finite fields, and applications
Analysis & PDE
Time: 2:30
Location: LOV 106
We will start reading the paper by Bourgain, Katz and Tao on the so-called "sum-product" estimates.
 
Jan 31 2019
Paolo Aluffi (FSU)
Newton-Okounkov bodies and Segre classes.
Algebra and Its Applications
Time: 3:35 PM
Location: LOV 104
We will present a new approach to the computation of the Segre class of a subscheme of projective space, based on the construction of a suitable Newton-Okounkov body. The result may be viewed as a co... More
 
Jan 30 2019
B. Prather
Octonions and Hopf Algebras
Algebras and Analysis
Time: 3:35
Location: 104 Love
 
Jan 24 2019
Kyounghee Kim (FSU)
Entropy of real rational surface automorphisms
Algebra and Its Applications
Time: 3:35 PM
Location: LOV 104
 
Jan 23 2019
B. Prather
Octonions and Physics
Algebras and Analysis
Time: 3:35
Location: 104 Love
 
Jan 22 2019
Lorenzo Ruffoni (FSU)
Strict hyperbolization, and its applications
Topology and Geometry Seminar
Time: 3:35p
Location: LOV 201
Gromov introduced some procedures to turn a given polyhedron into a new one endowed with a piecewise Euclidean metric of non-positive curvature, while preserving some of its original topological featu... More
 
Jan 16 2019
Organizational
Algebras and Analysis
Time: 3:35
Location: 107 Love
 
Dec 6 2018
Ben Prather (Florida State University)
Octonions, Operators and Adjoints
Algebra
Time: 3:35
Location: LOV104
The octonions provide an inner product on R^8. Left or right multiplication provides a map from the octonions to SO(8), thus is an operator on R^8. With an inner product and an operator we can ask wha... More
 
Nov 29 2018
Amod Agashe (Florida State University)
Stark's conjecture for certain ATR fields
Algebra
Time: 3:35
Location: 104 LOV
For certain number fields, Stark's conjecture gives an analytic

formula for the absolute value of certain algebraic numbers in field

extensions. The ultimate goal is to give an analytic ... More
 
Nov 15 2018
Michael Niemeier (Florida State University)
Central Extensions of Simplicial Groups, II
Algebra
Time: 3:35
Location: LOV104
We will begin by discussing some background needed for simplicial groups and simplicial groupoids. We will then show that there is a correspondence between central extensions of simplicial groups A-->... More
 
Nov 13 2018
Anindya Chanda (FSU)
Gromov Boundary of Hyperbolic Groups
Geometry and Topology Seminar
Time: 3:35p
Location: LOV 201
Geometric Group Theory is one of the most explored topic in Mathematics for last few decades. In this topic we mostly try to find connections between abstract algebraic properties of groups and geome... More
 
Nov 8 2018
Michael Niemeier (Florida State University)
Central Extensions of Simplicial Groups
Algebra
Time: 3:35
Location: 104 LOV
We will begin by discussing some background needed for simplicial groups and simplicial groupoids. We will then show that there is a correspondence between central extensions of simplicial groups A-->... More
 
Nov 7 2018
Ben Prather
TBA
Algebras and Analysis
Time: 3:35
Location: 201 love
 
Nov 1 2018
Tyler Foster (Florida State University)
The work of Katz, Rabinoff, and Zureick-Brown on rational point counts in algebraic curves, III
Algebra
Time: 3:35
Location: 104 LOV
I plan to talk about relatively recent work of E. Katz, J. Rabinoff, and D. Zureick-Brown. These three authors established a uniform bound on the number of rational points in smooth projective algebra... More
 
Oct 31 2018
Y. Almalki
Field extensions and valuation rings II
Algebras and analysis
Time: 3;35
Location: 201 love
 
Oct 30 2018
John Bergschneider (FSU)
2-Stratifolds
Geometry and Topology Seminar
Time: 3:35p
Location: 201
2-Stratifolds are a generalization of surfaces where there is a family of disjoint simple closed curves where several sheets meet. They are able to be represented as

bipartite graphs from which... More
 
Oct 26 2018
Osman Okutan (Ohio State)
Metric Graph Approximations of Geodesic Spaces
Topology and Geometry Seminar
Time: 1:25
Location: 201
A standard result in metric geometry is that every compact geodesic metric space can be approximated arbitrarily well by finite metric graphs in the Gromov-Hausdorff sense. It is well known that the f... More
 
Oct 25 2018
Shayea Aldossari (Florida State University)
Methods for Simplifying Differential Equations
Algebra
Time: 3:35
Location: LOV104
 
Oct 24 2018
Y. Almalki
Field extensions, valuation rings and Riemann surfaces I
algebras and analysis
Time: 3:35
Location: 102 love
 
Oct 23 2018
Thanittha Kowan (FSU)
Average Kissing Numbers For Non-Congruent Sphere Packings
Topology and Geometry Seminar
Time: 3:35
Location: 201
I will introduce a definition of kissing numbers of a sphere packings in 3-dimensional real space.

We will talk about Greg Kuperberg and Oded Schramn’s Theorem showing that the average number... More
 
Oct 18 2018
Lydia Eldredge (Florida State University)
Mahler Measure and Lehmer's question
Algebra
Time: 3:35
Location: LOV104
For a monic polynomial in Z[x], the Mahler measure is the product, taken over all roots r, of max{1,|r|}. In some sense, this measures how far a polynomial is from being cyclotomic. We know, from Kro... More
 
Oct 17 2018
Y. Almalki
Riemann surfaces - A comparison of definitions
Algebra and Analysis
Time: 3:35
Location: 201 love
 
Oct 10 2018
Y. Almalki
Riemann surfaces : an algebraic view
Algebras and Analysis
Time: 3:35
Location: 201 Love
 
Oct 9 2018
Ettore Aldrovandi (FSU)
Homotopy theoretic aspects of central extensions
Topology and Geometry Seminar
Time: 3:35p
Location: 201
The classification of central extensions of a group $G$ by a

(necessarily abelian) group $A$ is very well understood from both the

Algebra and Geometry viewpoints. Indeed, one of the mos... More
 
Oct 4 2018
Tyler Foster (Florida State University)
The work of Katz, Rabinoff, and Zureick-Brown on rational point counts in algebraic curves, II
Algebra
Time: 3:35
Location: LOV104
I plan to talk about relatively recent work of E. Katz, J. Rabinoff, and D. Zureick-Brown. These three authors established a uniform bound on the number of rational points in smooth projective algebra... More
 
Oct 3 2018
Craig A.Nolder
Gelfand-Naimark Theorem
Algebras and Analysis
Time: 3:35
Location: 201 Love
 
Sep 27 2018
Grayson Jorgenson (Florida State University)
Equivariant intersection theory and the Segre zeta function, II
Algebra
Time: 3:35
Location: LOV104
We will discuss the idea of the Segre zeta function which in the case of closed subschemes of projective spaces explains how Segre classes behave under the operation of taking cones. Following this, w... More
 
Sep 26 2018
Craig A. Nolder
C*-algebras and the Gelfand-Naimark Theorem
Algebras and Analysis
Time: 3:35
Location: 201 love
We begin our study of noncommutative geometry by roughly following the book, Basic Noncommutative Geometry, M. Khalkhali.
 
Sep 25 2018
Alex White (FSU)
Central Strips of Sibling Leaves in Laminations of the Unit Disk
Topology and Geometry Seminar
Time: 3:35
Location: 201
Quadratic laminations of the unit disk were introduced by Thurston as a vehicle for understanding the Julia sets of quadratic polynomials and the parameter space of quadratic polynomials. The Central ... More
 
Sep 20 2018
Tyler Foster (Florida State University)
The work of Katz, Rabinoff, and Zureick-Brown on rational point counts in algebraic curves
Algebra
Time: 3:35
Location: LOV104
I plan to talk about relatively recent work of E. Katz, J. Rabinoff, and D. Zureick-Brown. These three authors established a uniform bound on the number of rational points in smooth projective algebra... More
 
Sep 18 2018
Alex White (FSU)
Central Strips of Sibling Leaves in Laminations of the Unit Disk
Topology and Geometry Seminar
Time: 3:35
Location: 201
Quadratic laminations of the unit disk were introduced by Thurston as a vehicle for understanding the Julia sets of quadratic polynomials and the parameter space of quadratic polynomials. The Central ... More
 
Sep 17 2018
Alexander Reznikov
Sparce domination of singular integrals
Analysis & PDE
Time: 2:30-3:30
Location: 104 LOV
We will make the first step towards understanding the recent article on Matrix Weighted Estimates for singular integral operator.





We will begin by presenting the classical sparc... More
 
Sep 13 2018
Grayson Jorgenson (FSU)
Equivariant intersection theory and the Segre zeta function
Algebra
Time: 3:35
Location: LOV104
We will discuss the idea of the Segre zeta function which in the case of closed subschemes of projective spaces explains how Segre classes behave under the operation of taking cones. Following this, w... More
 
Sep 11 2018
Sam Ballas (FSU)
Geometric Structures via Flags
Topology and Geometry Seminar
Time: 3:35
Location: 201
Roughly speaking a geometric structure is a recipe for gluing together pieces of a geometric space using geometry preserving maps to build a manifold with interesting topology. Some classical examples... More
 
Sep 6 2018
Paolo Aluffi (Florida State University)
Chern classes of embeddable schemes
Algebra seminar
Time: 3:35
Location: 104 LOV
We prove a formula computing the Chern-Schwartz-MacPherson (CSM) class of an arbitrary subscheme of a nonsingular variety in terms of the Segre class of an associated scheme. This formula generalizes ... More
 
Sep 4 2018
Ben Prather (FSU)
The Symmetry of the Octonions
Topology and Geometry Seminar
Time: 3:35p
Location: 201
The octonions are noted for there exceptional symmetry. This can be expressed by examining the size of automorphism group relative to other algebras of a similar size. In particular, the automorphism ... More
 
Sep 3 2018
Analysis&PDE (moved to next week)
Analysis and PDE
Time: 2:30
No location for this even specified.
We will choose a topic to discuss first.
 
Aug 29 2018
organizational
Algebras and Analysis
Time: 3:35
Location: 201 Love
 
Apr 26 2018
Grayson Jorgenson (FSU)
Stable maps and Kontsevich's formula III
Algebra seminar
Time: 3:35pm
Location: 104 Love
In the complex projective plane, how many degree d rational curves pass through 3d - 1 given points in general position? The answers N_d to this question for d = 1,2,3,4 were known classically, but on... More
 
Apr 24 2018
Aamir Rasheed (FSU Math)
Hyperbolic 3-manifolds and malnormal maximal abelian groups.
Topology and Geometry
Time: 3.35PM
Location: 201
Any compact irreducible 3-manifold admits a decomposition (JSJ decomposition) into pieces which are either Seifert fibered or Atoroidal. Waldhausen studied and classified manifolds where the JSJ decom... More
 
Apr 19 2018
Grayson Jorgenson (FSU)
Stable maps and Kontsevich's formula II
Algebra seminar
Time: 3:35pm
Location: 104 Love
In the complex projective plane, how many degree d rational curves pass through 3d - 1 given points in general position? The answers N_d to this question for d = 1,2,3,4 were known classically, but on... More
 
Apr 17 2018
Wolfgang Metzler (Goethe University, Frankfurt)
The Andrews-Curtis conjecture
Topology and Geometry
Time: 3.35PM
Location: 201
We will present a proposed proof of the Andrews-Curtis Conjecture.
 
Apr 12 2018
Grayson Jorgenson (FSU)
Stable maps and Kontsevich's formula
Algebra seminar
Time: 3:35pm
Location: 104 Love
In the complex projective plane, how many degree d rational curves pass through 3d - 1 given points in general position? The answers N_d to this question for d = 1,2,3,4 were known classically, but on... More
 
Apr 10 2018
Yaineli Valdes (FSU)
The 1-type of algebraic K-Theory as a multifunctor
PhD Defense
Time: 3 PM
Location: LOV 106
It is known that the category of Waldhausen categories is a closed symmetric multicategory and algebraic K-theory is a functor from the category of Waldhausen categories to the category of spectra. By... More
 
Apr 5 2018
Amod Agashe (FSU)
Stark-Heegner/Darmon points
Algebra seminar
Time: 3:35pm
Location: 104 Love
We will provide more details about the construction of Stark-Heegner/Darmon points on elliptic curves over arbitrary number fields that was discussed in our talk last Fall.
 
Apr 3 2018
Martins Bruveris (Brunel University London)
The L^2-metric on C^infty(M,N)
Topology and Geometry
Time: 4.35PM
Location: 201
Let M, N be finite-dimensional manifolds with M compact. In this talk I

will look at the Riemnannian geometry on the space C^\infty(M,N) of

smooth maps equipped with the L^2-Riemannian m... More
 
Mar 29 2018
Yaineli Valdes (FSU)
A (Very) Short Introduction to K-Theory II
Algebra seminar
Time: 3:35pm
Location: 104 Love
K-theory is a very large, useful subject with applications in many areas of mathematics. Vaguely speaking, it is very useful for classifying invariants and it can also be seen as a generalization of l... More
 
Mar 27 2018
Jay Leach (FSU Math)
Surfaces, Symmetries and the Character Variety
Topology and Geometry
Time: 3.35PM
Location: 201
 
Mar 22 2018
Yaineli Valdes (FSU)
A (Very) Short Introduction to K-Theory
Algebra seminar
Time: 3:35pm
Location: 104 Love
K-theory is a very large, useful subject with applications in many areas of mathematics. Vaguely speaking, it is very useful for classifying invariants and it can also be seen as a generalization of l... More
 
Mar 20 2018
Julien Paupert (Arizona State University)
Presentations for cusped arithmetic hyperbolic lattices
Topology and Geometry
Time: 3.35PM
Location: 201
We present a general method to compute a presentation for any cusped hyperbolic lattice Gamma, applying a classical result of Macbeath to a suitable Gamma-invariant horoball cover of the corresponding... More
 
Mar 15 2018
Yaineli Valdes (FSU)
A (Very) Short Introduction to K-Theory
Algebra seminar
Time: 3:35pm
Location: 104 Love
K-theory is a very large, useful subject with applications in many areas of mathematics. Vaguely speaking, it is very useful for classifying invariants and it can also be seen as a generalization of... More
 
Mar 8 2018
Ben Prather (FSU)
Why not sedenions? - II
Algebra seminar
Time: 3:35pm
Location: 104 Love
Various generalizations of the octonions will be presented, and difficulties that arise in higher dimension explored. In particular, any two octonions generate a quaternionic sub algebra. However, th... More
 
Mar 6 2018
John Bergschneider (FSU Math)
Fundamental groups of 3-Manifolds with Real Projective Plane Category 2
Topology and Geometry
Time: 3.35PM
Location: 201
A subset W of a Manifold M is k-contractible if the inclusion factors homotopically through k, where k is a cw-complex of dimension lower then M. The k-category of a manifold is the smallest number o... More
 
Mar 1 2018
Ben Prather (FSU)
Why not sedenions?
Algebra seminar
Time: 3:35pm
Location: 104 Love
Various generalizations of the octonions will be presented, and difficulties that arise in higher dimension explored. In particular, any two octonions generate a quaternionic sub algebra. However, th... More
 
Feb 27 2018
Braulio Molina Gonzalez (FSU Math)
Discrete Dynamical Systems and Hyperbolic Fixed Points
Topology and Geometry
Time: 3.35PM
Location: 201
In this talk I will introduce some the basic concepts in the study of the qualitative theory of



dynamical systems. After that I will move into the setting of discrete dynamical system ... More
 
Feb 22 2018
Xiping Zhang (FSU)
Characteristic classes and Geometry Invariants of projective varieties II
Algebra seminar
Time: 3:35pm
Location: 104 Love
In this talk I will give a brief summary of the relation between some interesting characteristic classes and geometry invariants for projective varieties.
 
Feb 20 2018
Ben Prather (FSU Math)
The Cauchy Integral Formula on the Octonions
Topology and Geometry
Time: 3.35PM
Location: 201
We will review the octonion algebra, including how to use it to define a parallelization of S^7. We will then proceed to show that an octonion valued function as a point can be recovered by an integra... More
 
Feb 15 2018
Xiping Zhang (FSU)
Characteristic classes and Geometry Invariants of projective varieties
Algebra seminar
Time: 3:35pm
Location: 104 Love
In this talk I will give a brief summary of the relation between some interesting characteristic classes and geometry invariants for projective varieties.
 
Feb 13 2018
Jakob Moeller-Andersen (FSU)
The Motion of a Flag
Topology and Geometry
Time: 3.35PM
Location: 201
We derive new equations for the idealized motion of a flag on a pole in 3-space, viewed as an unstretchable piece of fabric with no friction and ignoring self-collisions. Geometrically the flag repres... More
 
Feb 8 2018
Michael Niemeier (FSU)
Simplicial Principal Fibrations II
Algebra seminar
Time: 3:35pm
Location: 104 Love
One way to define a central extension of simplicial groups is by saying it a short exact sequence of simplicial groups so that level-wise it is a central extension of groups. From this definition we w... More
 
Feb 1 2018
Michael Niemeier (FSU)
Simplicial Principal Fibrations
Algebra seminar
Time: 3:35pm
Location: 104 Love
One way to define a central extension of simplicial groups is by saying it a short exact sequence of simplicial groups so that level-wise it is a central extension of groups. From this definition we w... More
 
Jan 25 2018
Ivan Martino (Northeastern University)
Algebraic Structures related to Matroid Theory
Algebra seminar
Time: 3:35pm
Location: 104 Love
In this talk I will describe certain algebraic structures related to Matroid Theory. After defining a matroid over a ring, I will focus on matroids over a field k

and matroids over the integers... More
 
Jan 18 2018
(FSU)
Organizational Meeting
Algebra seminar
Time: 3:35pm
Location: 104 Love
 
Dec 7 2017
Olivia Dumitrescu (Central Michigan University)
From ribbon graphs to 2D TQFT
Algebra and Its Applications
Time: 3:35 PM
Location: LOV 104
We present a new axiomatic formulation of a 2D TQFT. Our formalism is based on the edge-contraction operations on graphs drawn on a Riemann surface (cellular graphs). We assign to each cellular graph... More
 
Dec 6 2017
Dennis Tseng (Harvard University)
Complete families of smooth curves in projective space
Special Algebra seminar
Time: 11:15
Location: 104 LOV
We would expect there to be singular elements in a complete family of curves. One can ask: what is the largest complete family of smooth curves in projective space? Surprisingly, there is very little ... More
 
Dec 5 2017
Mattia Talpo (PIMS-Simon Fraser)
A logarithmic version of the derived McKay correspondence
Algebra and Its Applications
Time: 3:35 PM
Location: LOV 201
The derived McKay correspondence is an equivalence of derived categories between two different resolutions of certain singular varieties. The simplest example is given by the quotient of the complex 2... More
 
Nov 16 2017
Xiping Zhang (FSU)
Equivariant Chern-Schwartz-MacPherson Class of complex Singular Varieties
Algebra and Its Applications
Time: 3:35 PM
Location: LOV 104
The Chern-Schwartz-MacPherson class is a generalization of the total Chern class to singular varieties. When the variety admits a smooth group action of the general linear group, we can generalize the... More
 
Nov 16 2017
Oleksandr Vlasiuk (Vanderbilt University)
See Abstract
Analysis Seminar
Time: 4:30
Location: 201 Love
We will discuss two methods for distributing nodes according to a

prescribed continuous density, in such a way that certain local

properties hold and the resulting configuration is well-... More
 
Nov 15 2017
B. Prather
Split-Octonions
Advanced Topics Exam
Time: 10:00- 12:00
Location: 110 MCH
A survey of loop algebras, Moufang loops, (split)-octonions and there analysis and Malcev (i.e. Moufang Lie) algebras.
 
Nov 9 2017
Kyounghee Kim (FSU)
Entropy of real rational surface automorphisms
Algebra and Its Applications
Time: 3:35 PM
Location: LOV 104
We will discuss entropy of real and complex dynamics for automorphisms of rational surface that are birationally equivalent to quadratic birational maps of the plane and give examples where the entrop... More
 
Nov 2 2017
Yaineli Valdes (FSU)
(More Details on the) Multifunctor from Waldhausen Categories to the 1-type of their K-theory Spectrum
Algebra and Its Applications
Time: 3:35 PM
Location: LOV 104
By assigning to any Waldhausen category the fundamental groupoid of the 1-type of its K-theory spectrum, we get a 1-functor from the category of Waldhausen categories to the category of Picard groupoi... More
 
Oct 19 2017
Ben Prather (FSU)
¿Octonions? A non-associative geometric algebra
Algebra and Its Applications
Time: 3:35 PM
Location: LOV 104
A survey of the universal properties of Clifford algebras, the usefulness of the composition property and an outline of the proof of Hurwitz' theorem: There are precisely four positive definite compos... More
 
Oct 12 2017
Amod Agashe (FSU)
Stark-Heegner/Darmon points on elliptic curves over number fields
Algebra and Its Applications
Time: 3:35 PM
Location: LOV 104
Stark-Heegner points (also called Darmon points) are certain

points defined on elliptic curves using analytic constructions, but

are conjectured to have algebraic coordinates. They are a... More
 
Sep 28 2017
Michael Niemeier (FSU)
The Generalized Eilenberg-Zilber Theorem
Algebra and Its Applications
Time: 3:35 PM
Location: LOV 104
Given a bisimplicial abelian group A there is a natural isomorphism between the nth homology of C(diagA) and Tot(C(A)), where C is the unnormalized chain complex functor. We will go over the backgroun... More
 
Sep 21 2017
Ettore Aldrovandi (FSU)
Cohomology of Lie Algebroids and extensions
Algebra and Its Applications
Time: 3:35 PM
Location: LOV 104
A Lie algebroid, or Lie-Rinehart algebra, is an A-module, where A is a

commutative k-algebra, and at the same time it is a k-Lie Algebra. The

prototypical example is the module of deriva... More
 
Sep 19 2017
Sergio Fenley (FSU)
Partially hyperbolic diffeomorphisms
Geometry and Topology
Time: 3:35
Location: Lov 201
This will be an introductory/survey talk

in this topic. These diffeomorphisms are currently an

extremely important area within dynamical systems. They

are diffeomorphisms so that ... More
 
Apr 27 2017
Daniel Vallieres (California State University at Chico)
Numerical evidence for higher order Stark-type conjectures
Algebra and its applications
Time: 3:35 pm
Location: 104 LOV
Stark’s main conjecture has been refined by various authors especially in the abelian setting. Stark himself gave a more precise conjecture “over Z” for imprimitive L-functions having precisely ... More
 
Apr 20 2017
Lydia Eldredge (FSU)
Invariant Harmonic Differential Forms on the Upper Half Space
Algebra and its applications
Time: 3:35 pm
Location: 104 LOV
We give a proof that there is no nonzero harmonic differential form on the upper half space that is invariant under SL_2(C) that is of degree other than zero or the top degree. We will define the obje... More
 
Apr 19 2017
Robed Beauvile (FSU)
Homotopy Type Theory, the Coq proof assistant, and partial orders on binary trees
Honor Thesis Defense
Time: 1:30pm
Location: LOV204B
 
Apr 18 2017
Aamir Rasheed (FSU)
Essential embeddings and immersions of surfaces in a 3-manifold
Seminar: Geometry and Topology
Time: 3:35
Location: 201 LOV
In this talk we will discuss a theorem which gives a sufficient condition for two embedded surfaces in an irreducible 3-manifold to be isotopic. We shall also discuss some generalizations. For exampl... More
 
Apr 13 2017
Xiping Zhang (FSU)
Characteristic classes of Determinantal Varieties
Algebra and its applications
Time: 3:35 pm
Location: 104 LOV
Determinantal Varieties are quite interesting varieties. In this talk we give an algorithm to compute the Chern-Mather class, Chern-Schwartz-Macpherson class, and the local Euler obstruction. We also ... More
 
Apr 7 2017
Corey Harris (FSU)
Effective methods in intersection theory and combinatorial algebraic geometry
Ph.D. Dissertation Defense
Time: 8:00
Location: 204B
 
Apr 6 2017
Grayson Jorgenson (FSU)
Duality defect in codimension 2 and 3
Algebra and its applications
Time: 3:35 pm
Location: 104 LOV
It is conjectured that the dual variety of any smooth subvariety of dimension >2N/3 in projective N-space is a hypersurface. This is weaker than Hartshorne’s complete intersection conjecture but is ... More
 
Apr 4 2017
Jakob Møller Andersen (FSU)
Rigidity and the Space of Flags
Seminar: Geometry and Topology
Time: 3:35
Location: 201 LOV
This will be an introduction to an ongoing project that I am working on in collaboration with S. Preston and M. Bauer. To give some background we're going to review some rigidity theory for surfaces i... More
 
Mar 30 2017
Wen Xu (FSU)
Reducible cases of the Appell F1 function
Algebra and its applications
Time: 3:35 pm
Location: 104 LOV
The Appell F1 function is a bivariate A-hypergeometric function, and satisfies a system of differential equations of rank 3. It is known for which parameters this system is reducible. We will show for... More
 
Mar 23 2017
Xiping Zhang (FSU)
Hirzebruch–Riemann–Roch theorem on Singular Spaces
Algebra and its applications
Time: 3:35 pm
Location: 104 LOV
Hirzebruch–Riemann–Roch theorem is a fascinating result in Complex Manifold, and I will talk about how to tell the story on singular spaces.
 
Mar 2 2017
Michael Niemeier (FSU)
Simplicial Abelian Groups and the W Bar Construction
Algebra and its applications
Time: 3:35 pm
Location: 104 LOV
A simplicial abelian group is a contravariant functor from the ordinal number category to the category of abelian groups and a bisimplicial abelian group is a contravariant functor from the ordinal nu... More
 
Feb 23 2017
Kyounghee Kim (FSU)
Rational Surface Automorphism: Homology actions of real mappings
Algebra and its applications
Time: 3:35 pm
Location: 104 LOV
Let $$f:X \to X$$ be a quadratic rational surface automorphism fixing a cuspidal cubic. Let $$X_R$$ be the closure of the $$\mathbb{RP}^2$$ inside $$X$$. When the multiplier at the invariant cuspidal ... More
 
Feb 16 2017
Ivan Martino (Northeastern University)
Syzygies of the Veronese and Pinched Veronese modules
Algebra and its applications
Time: 3:35 pm
Location: 104 LOV
There has been a lot of effort to find the graded Betti numbers of the Veronese ring. I am going to define the (pinched) Veronese modules and present a sample of literature results, like the work of E... More
 
Feb 14 2017
Leona Sparaco (FSU)
Character Varieties of Some Families of Hyperbolic Link Complements
Geometry and Topology Seminar
Time: 3:35
Location: Love 201
Let M be a hyperbolic manifold. The SL2(C) character variety of M is essentially the set of all representations  pi_1(M) --> SL2(C) up to trace equivalence.

This algebraic set is connected to ... More
 
Feb 9 2017
Yaineli Valdes (FSU)
A multifunctor from Waldhausen Categories to the 1-type of their K-Theory spectra
Algebra and its applications
Time: 3:35 pm
Location: 104 LOV
Muro and Tonks constructed an algebraic model for the stable 1-type of the K-Theory spectrum of any Waldhausen by ways of stable quadratic modules. Stable 1-types are classified by Picard groupoids, s... More
 
Feb 2 2017
Ettore Aldrovandi (FSU)
Extensions of Lie Algebroids and generalized differential operators
Algebra and its applications
Time: 3:35 pm
Location: 104 LOV
A Lie algebroid, or Lie-Rinehart algebra, is a module over a commutative k-algebra A

and at the same time it is a k-Lie Algebra. The prototypical example is the algebra of derivations of a k-al... More
 
Jan 26 2017
Ezra Miller (Duke University)
Algebraic data structures for topological summaries
Algebra and its applications
Time: 3:35 pm
Location: 104 LOV
This talk introduces a combinatorial algebraic framework to encode, compute, and analyze topological summaries of geometric data. The motivating problem from evolutionary biology involves statistics o... More
 
Jan 19 2017
Organizational Meeting
Algebra and Its Applications
Time: 3:35 PM
Location: 104
 
Dec 8 2016
Erdal Imamoglu (FSU)
Integral Bases for Differential Operators
Algebra and its applications
Time: 3:35 pm
Location: 104 LOV
The goal of this talk is to find a transformation that reduces a complicated differential operator L (with numerous apparent singularities) to a simpler one. To find such transformation, we present a ... More
 
Dec 7 2016
Michael Niemeier (FSU)
Central extensions of simplicial groups
Candidacy Exam
Time: 4pm
Location: LOV 204B
 
Dec 6 2016
Martin Bauer (FSU)
A short introduction to infinite dimensional Riemannian geometry
Geometry and Topology Seminar
Time: 3:35PM
Location: LOV 201
 
Dec 1 2016
Michelle Chu (University of Texas)
Essential surfaces from intersections in the character variety
Geometry and Topology
Time: 3:35PM
Location: LOV 104
I will describe the SL2(C) character variety for a family of hyperbolic two-bridge knots. These character varieties have multiple components which intersect at points corresponding to non-integral ir... More
 
Nov 29 2016
Opal Graham (FSU)
Ma-Schlenker C-Octahedra in the 2-Sphere
Geometry and Topology
Time: 3:35PM
Location: LOV 201
There are conditions that must be met in order to attain rigidity of circle packings on certain surfaces. Ma-Schlenker pairs of circle packings provide an example of how rigidity fails in the 2-sphere... More
 
Nov 17 2016
Xiping Zhang (FSU)
G.A.G.A.
Algebra and its applications
Time: 3:35 pm
Location: 104 LOV
I will talk about the great theorem by Serre on connecting Analytic spaces and Algebraic Schemes.
 
Nov 16 2016
Y. Almalki
Cohomology and divisors III
Complex Analysis
Time: 3:35
Location: 104 Love
 
Nov 15 2016
Sam Ballas (FSU)
Deforming geometric structures via bending
Geometry and Topology
Time: 3:35PM
Location: LOV 201
In his notes, Thurston described a procedure for producing quasi-Fuchsian hyperbolic 3-manifolds from Fuchsian surface groups. Subsequently, this procedure was greatly generalized by Johnson and Mills... More
 
Nov 10 2016
Jay Leach (FSU)
The A-polynomial
Algebra and its applications
Time: 3:35 pm
Location: 104 LOV
I'll be discussing the A-polynomial and some of its properties.
 
Nov 9 2016
Y. Almalki
Cohomology and divisors II
Complex Analysis
Time: 3:35
Location: 104 Love
 
Nov 8 2016
Sarah Algee (FSU)
Scissor Groups and Motivic Measure
Geometry and Topology
Time: 3:35PM
Location: LOV 201
Motivic measure can be defined by a similar construction as the scissor-group of the area of polygons in the plane. Any polygon can be cut into finitely many triangles then reassembled into a rectangl... More
 
Nov 3 2016
Sarah Algee (FSU)
Introduction to Motivic Integration
Algebra and its applications
Time: 3:35 pm
Location: 104 LOV
Motivic integration is a notion in algebraic geometry that was introduced by Kontsevich in 1995 and was developed by Denef and Loeser. Motivic integration can be quite useful in various branches of a... More
 
Nov 2 2016
Y. Almalki
Cohomology and divisors
Complex Analysis
Time: 3:35
Location: 104 Love
 
Nov 1 2016
Robert Billet (FSU)
Flow equivalence classes of pseudo-Anosov surface homeomorphisms
Geometry and Topology
Time: 3:35PM
Location: LOV 201
Two pseudo-Anosov homeomorphisms are flow equivalent if there is a homeomorphism between their mapping tori identifying the pseudo-Anosov flows induced by the respective vertical directions of the map... More
 
Oct 27 2016
Corey Harris (FSU)
Tritangents of algebraic and tropical space sextics, II
Algebra and its applications
Time: 3:35 pm
Location: 104 LOV
The theory of the tritangent planes to a canonically embedded sextic in CP^3 is classical. The number of such planes was known to Klein and their structure worked out by Coble. In this talk we'll qui... More
 
Oct 26 2016
Y. Almalki
Holomorphic line bundles and divisors
Complex Analysis
Time: 3:35
Location: 104 Love
 
Oct 25 2016
Leona Sparaco (FSU)
Beer, Orbifolds, and the Magic of Symmetry
Geometry and Topology
Time: 3:35 PM
Location: LOV 201
The Borromean rings have been used as everything from a logo for Ballantine beer to a symbol of marriage. But how many people have considered their hyperbolic structure?



Let M be a hyp... More
 
Oct 24 2016
Zhe Su (FSU)
Comparing Curves in Homogeneous Spaces
ATE
Time: 3:30
Location: Love 200
How can we quantify the difference between two curves in a homogeneous space in a manner that is invariant under reparameterization and rigid motions? How can we define and compute the "average" of se... More
 
Oct 20 2016
Corey Harris (FSU)
Tritangents of algebraic and tropical space sextics
Algebra and its applications
Time: 3:35 pm
Location: 104 LOV
The theory of the tritangent planes to a canonically embedded sextic in CP^3 is classical. The number of such planes was known to Klein and their structure worked out by Coble. In this talk we'll qui... More
 
Oct 18 2016
John Bergschneider (FSU)
Fiber Bundles and K-Category for 3-Manifolds
Geometry and Topology
Time: 3:35 PM
Location: LOV 201
A subset W of a closed 3-manifold M is torus-contractible if the inclusion map from W to M

factors homotopically through a map to the torus. We obtain a list of closed prime 3-manifolds that c... More
 
Oct 13 2016
Kyounghee Kim (FSU)
No smooth Julia sets for polynomial diffeomorphisms, II
Algebra and its applications
Time: 3:35 pm
Location: 104 LOV
The Fatou set of a holomorphic mapping f is the set where the iterates f^n are locally equicontinuous. The Julia set is defined as the complement of the Fatou set. The Julia set is where any chaotic b... More
 
Oct 12 2016
Y. Almalki
Genus Two Riemann Surfaces II
Complex Analysis
Time: 3:35
Location: 104 Love
 
Oct 11 2016
Kate Petersen (FSU)
Hyperbolic Structures on Knot Complements
Geometry and Topology
Time: 3:35 PM
Location: LOV 201
 
Oct 6 2016
Kyounghee Kim (FSU)
No smooth Julia sets for polynomial diffeomorphisms
Algebra and its applications
Time: 3:35 pm
Location: 104 LOV
The Fatou set of a holomorphic mapping f is the set where the iterates f^n are locally equicontinuous. The Julia set is defined as the complement of the Fatou set. The Julia set is where any chaotic b... More
 
Oct 4 2016
Kate Petersen (FSU)
Hyperbolic Structures on Knot Complements
Geometry and Topology
Time: 3:35 PM
Location: LOV 201
I'll discuss an algorithm to produce representations of the fundamental group of a knot into SL(2,C).
 
Sep 29 2016
Paolo Aluffi (FSU)
Chern classes of Schubert varieties, II
Algebra and its applications
Time: 3:35 pm
Location: 104 LOV
We compute the Chern-Schwartz-MacPherson classes of Schubert varieties in flag manifolds. These classes are obtained by constructing a representation of the Weil group, by means of certain Demazure-Lu... More
 
Sep 27 2016
Phil Bowers (FSU)
Cauchy Rigidity of c-Polyhedra II
Geometry and Topology
Time: 3:35 PM
Location: LOV 201
 
Sep 22 2016
Paolo Aluffi (FSU)
Chern classes of Schubert varieties
Algebra and its applications
Time: 3:35 pm
Location: 104 LOV
We compute the Chern-Schwartz-MacPherson classes of Schubert varieties in flag manifolds. These classes are obtained by constructing a representation of the Weil group, by means of certain Demazure-Lu... More
 
Sep 21 2016
Y. Almalki
Klein suefaces and NEC groups
Complex Analysis
Time: 3:35
Location: 104 Love
 
Sep 20 2016
Phil Bowers (FSU)
Cauchy Rigidity of c-Polyhedra
Geometry and Topology
Time: 3:35 PM
Location: LOV 201
A c-polyhedron is a generalization of circle packings on the sphere to circle patterns with specified inversive distances between adjacent circles where the underlying 1-skeleton need not be a triangu... More
 
Sep 15 2016
Ettore Aldrovandi (FSU)
The Heisenberg group, and a geometric approach to cup products
Algebra and its applications
Time: 3:35 pm
Location: 104 LOV
The "Heisenberg Group" is a functor that to any pair of abelian groups $A$ and $B$, assigns a nilpotent central extension of $A\times B$ by $A\otimes B$. I will show that the universal cup product map... More
 
Sep 13 2016
Sergio Fenley (FSU)
Partially hyperbolic diffeomorphisms
Geometry and Topology
Time: 3:35 PM
Location: LOV 201
This is a very general introduction to the topic

of partially hyperbolic diffeomorphisms, particularly

in dimension 3.
 
Sep 8 2016
Organizational Meeting
Algebra and its applications
Time: 3:35 pm
Location: 104 LOV
 
Aug 30 2016
Organizational Meeting
Geometry and Topology Seminar
Time: 3:35PM
Location: LOV 201
 
Apr 21 2016
Lydia Eldredge (FSU)
Automorphic forms on quotients of products of Upper Half Planes -- II
Algebra seminar
Time: 3:35pm
Location: 104 Love
 
Apr 20 2016
Y. Almalki
Riemann Surfaces VI
Complex Analysis
Time: 2:30
Location: 104 Love
 
Apr 19 2016
Yunyi Shen (FSU)
K-theory and Topology II
Topology Seminar
Time: 3:35
Location: LOV 104
This talk continues the last talk. I will first give a short review of the algebraic and topological K-theory. Then I will introduce the operator K-theory and the applications of it to topology. Hopef... More
 
Apr 15 2016
Daniel Fuentes-Keuthan (FSU)
A cubical complex for stable derivators
Honors in the Major Thesis Defense
Time: 2:00 PM
Location: LOV 107
 
Apr 14 2016
Corey Harris (FSU)
Euclidean Distance Degrees
Algebra seminar
Time: 3:35pm
Location: 104 Love
 
Apr 11 2016
Kerr Ballenger
An analysis of conjugate harmonic components of monogenic functions and lambda harmonic functions
Dissertation Defense
Time: 4:00 pm
Location: 204B
 
Apr 7 2016
Lydia Eldredge (FSU)
Automorphic forms on quotients of products of Upper Half Planes
Algebra seminar
Time: 3:35pm
Location: 104 Love
 
Apr 5 2016
Michael Niemeier (FSU)
The Universal Coefficient Theorem for Homology
Topology Seminar
Time: 3:35
Location: 104 LOV
A chain complex of R-modules is a family, {P_n}, of R-modules together with module morphisms d_n:P_n --> P_{n-1} with the relation d_n d_{n+1}=0 for all n. With this relation it makes it possible to t... More
 
Mar 31 2016
Xiping Zhang (FSU)
Intersection Theory on Grassmanian
Algebra seminar
Time: 3:35pm
Location: 104 Love
 
Mar 29 2016
Mehmet Aktas (FSU)
A new polynomial invariant for curve complements: Krammer polynomials
Topology Seminar
Time: 3:35
Location: LOV
In 1989, A. Libgober defined a polynomial invariant for curve complements using the representations of the braid group. In this talk, I will introduce the Krammer polynomial which is obtained using th... More
 
Mar 24 2016
Erdal Imamoglu (FSU)
Creative Telescoping Algorithms
Algebra seminar
Time: 3:35pm
Location: 104 Love
In this talk, we will present algorithms which find a simple closed form formula or a recurrence relation for a given symbolic summation problem whose summand is a hypergeometric term.



 
Mar 23 2016
Kerr Ballenger
Conugate harmonic components of monogenic functions and lambda harmonic functions
Complex Analysis
Time: 2:30
Location: 104 Love
 
Mar 22 2016
Eriko Hironaka (FSU)
Deformation spaces of rational maps
Topology Seminar
Time: 3:35
Location: LOV 104
In the 1990's Adam Epstein defined a deformation space of rational maps

on the Riemann sphere and asked: is this deformation space connected? In this talk, I will

give the definitio... More
 
Mar 17 2016
Yaineli Valdes (FSU)
An algebraic model for the 1-type of the K theory of a Waldhausen Category
Algebra seminar
Time: 3:35pm
Location: 104 Love
We will define a stable quadratic module directly from a given Waldhausen Category, whose homology groups are isomorphic to the homotopy groups of the 1-type of the K-theory spectrum of the Waldhausen... More
 
Mar 2 2016
Y. Almalki
Riemann Surfaces V
Complex Analysis
Time: 2:30
Location: 201 Love
 
Mar 1 2016
Zhe Su
A way to compute the geodesic between curves in homogeneous space
Topology Seminar
Time: 3:35
Location: LOV 104
In this talk, we consider the homogeneous space M, which is a space with a transitive group action by a Lie group G. We use the Square root velocity function introduced by Dr. Srivastava and Dr. Klass... More
 
Feb 25 2016
Leona Sparaco (FSU)
Leaving the Land of Nice Polynomials
Algebra seminar
Time: 3:35pm
Location: 104 Love
In abstract algebra classes, students learn certain methods, such as Eisenstein's Criterion, for proving that a polynomial is irreducible. However, in general it can be very difficult to determine whe... More
 
Feb 24 2016
Y. Almalki
Riemann Surfaces IV
Complex Analysis
Time:
Location: 201 Love
 
Feb 23 2016
Jay Leach (F.S.U.)
An algebraic condition on the detection of essential surfaces in 3-manifolds by an action on a tree
Topology Seminar
Time: 3:35
Location: LOV 104
 
Feb 18 2016
Amod Agashe (FSU)
Zeta functions: general number field - II
Algebra seminar
Time: 3:35pm
Location: 104 Love
Zeta functions of number fields are generalizations of the classical Riemann zeta function. This talk is the fourth and last in a series of talks whose goal is to describe the first few terms of the L... More
 
Feb 17 2016
Y. Almalki
Riemann Surfaces III
Complex Analysis
Time: 2:30
Location: 201
 
Feb 11 2016
Amod Agashe (FSU)
Zeta functions: general number field
Algebra seminar
Time: 3:35pm
Location: 104 Love
Zeta functions of number fields are generalizations of the classical Riemann zeta function. This talk is the third in a series of talks whose goal is to describe the first few terms of the Laurent ser... More
 
Feb 10 2016
Y. Almalki
Riemann Surfaces II
Complex Analysis
Time: 2:30
Location: 201 Love
 
Feb 4 2016
Amod Agashe (FSU)
Zeta functions: quadratic imaginary fields
Algebra seminar
Time: 3:35pm
Location: 104 Love
Zeta functions of number fields are generalizations of the classical Riemann zeta function. This talk is the second in a series of talks whose goal is to describe the Laurent series expansion of the z... More
 
Feb 3 2016
Y. Almalki
Riemann Surfaces
Complex Analysis
Time: 2:30
Location: 201 Love
 
Jan 28 2016
Amod Agashe (FSU)
Zeta functions: algebraic number theory background
Algebra seminar
Time: 3:35pm
Location: 104 Love
Zeta functions of number fields are generalizations of the classical Riemann zeta function. This talk is the first in a series of talks whose goal is to describe the Laurent series expansion of the ze... More
 
Jan 27 2016
Y. Almalki
An Introduction to Riemann Surfaces
Complex Analysis
Time: 2:30
Location: 201 Love
 
Jan 26 2016
Robert Billet (FSU)
Fibered cones for Coxeter links
Topology Seminar
Time: 3:35
Location: LOV
The first part of the talk will be to review ideas such as Murasugi sums, fibered 3-manifolds, Coxeter links, and the Thurston norm. The goal of the talk will be to outline a result that describes the... More
 
Jan 21 2016
Organizational meeting
Algebra seminar
Time: 3:35pm
Location: 104 Love
 
Jan 19 2016
Organizational meeting
Topology Seminar
Time: 3:35
Location: LOV 104
 
Jan 14 2016
Sam Ballas (UC Santa Barbara)
Deforming Properly Convex Manifolds
Algebra seminar
Time: 3:35pm
Location: 104 Love
Properly convex structures are a flexible generalization of complete hyperbolic structures. In general it is quite difficult to understand the set of all properly convex structures on a fixed manifold... More
 
Jan 13 2016
Organizational meeting
Complex Analysis
Time: 3:35
Location: 104 Love
 
Dec 3 2015
Lydia Eldredge (FSU)
The space of harmonic differential forms on certain quotients of Products of Upper Half planes
Algebra and Its Applications
Time: 3:35 PM
Location: LOV 104
A Theorem of Matsushima-Shimura describes harmonic complex-valued differential forms on n copies of the upper half place that are invariant with respect to a discrete subgroup of SL(2,R)^n; these form... More
 
Nov 24 2015
Yunyi Shen (FSU)
K-Theory and Topology
Topology Seminar
Time: 3:35
Location: Lov 201
A short introduction to algebraic and topological K-Theory with applications and a statement of the Novikov conjecture.
 
Nov 18 2015
Y. Almalki
Divisors on Riemann surfaces
Complex Analysis
Time: 3:35
Location: 104 Love
 
Nov 17 2015
Michael Niemeier (FSU)
Grushko's Theorem, examples and consequences
Topology Seminar
Time: 3:35
Location: LOV 201
We will illustrate the proof of Grushko's Theorem given last week with an explicit example and point out some consequences.
 
Nov 12 2015
Erdal Imamoglu (FSU)
Computing an Integral Basis for a Module Defined by a Linear Differential Operator
Algebra and Its Applications
Time: 3:35 PM
Location: LOV 104
Finding Gauss hypergeometric solutions of second order linear differential equations with rational function coefficients is an active research area of computational differential algebra. In this talk ... More
 
Nov 5 2015
Sarah Koch (University of Michigan, Ann Arbor)
Twisted Matings of Polynomials
Joint Algebra and Topology Seminar
Time: 3:35 PM
Location: LOV 200
Given two complex polynomials of degree d, say p and q, we can

form the mating of the polynomials S^2 to S^2 by gluing together the

Julia sets of p and q in a dynamically meaningful way.... More
 
Nov 4 2015
Y. Almalki
Riemann Surfaces
Complex Analysis
Time: 3:35
Location: 104 Love
 
Oct 29 2015
Corey Harris (FSU)
On Computing in Fulton-McPherson Intersection Theory
Algebra and Its Applications
Time: 3:35 PM
Location: LOV 104
We'll review the classical problems in intersection theory and enumerative geometry, and then we'll look at some of the modern theory of Fulton and McPherson. One of the main tools in the modern theo... More
 
Oct 27 2015
Aamir Rasheed (FSU)
Malnormal Peripheral Subgroups of The Fundamental Group of a 3-Manifold II
Topology Seminar
Time: 3:35
No location for this even specified.
 
Oct 22 2015
Xiping Zhang (FSU)
Introduction to the Equivariant World
Algebra and Its Applications
Time: 3:35PM
Location: LOV 104
I am going to introduce how group action and cohomology are combined via the help of classify G space, and talk about how the action effects the character class on a possible singular space.
 
Oct 20 2015
Aamir Rasheed (FSU)
Malnormal Peripheral Subgroups of The Fundamental Group of a 3-Manifold
Topology Seminar
Time: 3:35
Location: LOV 201
The purpose of this talk is to present a theorem which characterizes the malnormality of peripheral subgroups of the fundamental group of compact orientable irreducible 3- manifolds with toral boundar... More
 
Oct 13 2015
Leona Sparaco (FSU)
Character Varieties of a Class of 2-Bridge Knots With Symmetry II
Topology Seminar
Time: 3:35
Location: LOV 201
 
Oct 8 2015
Yaineli Valdes (FSU)
Mac Lane (co)Homology of Tensor-Triangulated Categories
Algebra and Its Applications
Time: 3:35PM
Location: LOV 104
The purposes of this talk is to introduce tensor triangulated categories and explain how one might define a form of stable K-theory for them. The rationale for attempting such construction is that ten... More
 
Oct 6 2015
Leona Sparaco (FSU)
Character Varieties of a Class of 2-Bridge Knots With Symmetry
Topology Seminar
Time: 3:35
Location: LOV 201
Let M be a hyperbolic 3-manifold. If G is the fundamental group of M, the set of all homomorphisms of G to SL_2 (C) is an algebraic set. We will look at this set for a certain class of 2-bridge knots.... More
 
Oct 1 2015
Niranjan Ramachandran (University of Maryland)
Exponentiable motivic measures
Algebra and Its Applications
Time: 3:35PM
Location: LOV 104
Kapranov has introduced a motivic zeta function which generalizes the Weil zeta function of varieties over finite fields. However, its behavior with respect to products of varieties is very mysterious... More
 
Sep 30 2015
Y. Almalki (FSU)
Riemann surfaces
Complex Analysis
Time: 3:35
Location: 104 Love
 
Sep 29 2015
Haibin Hang (FSU)
A norm for the homology of 3-manifolds
Topology Seminar
Time: 3:35
Location: LOV 201
We will talk about Thurston's paper in which he gave an elementary construction to show the following

Theorem: Let (M,BdM) be a compact, oriented 3-manifold (where BdM may be empty). There is a... More
 
Sep 24 2015
Ettore Aldrovandi (FSU)
Cup products, the Heisenberg group and codimension-two Cartier cycles.
Algebra and Its Applications
Time: 3:35PM
Location: LOV 104
 
Sep 23 2015
Kerr Ballenger (FSU)
The Laplacian and the Invariant Laplacian
Complex Analysis
Time: 3:35
Location: 104 Love
 
Sep 22 2015
Haibin Hang (FSU)
On fibering certain 3-manifolds II
Topology Seminar
Time: 3:35
Location: LOV 201
We will continue with Stalling's proof of his fibering theorems for 3-manifolds.
 
Sep 17 2015
Kate Petersen (FSU)
Class Numbers, Class Groups, and the Euclidean Algorithm II
Algebra and Its Applications
Time: 3:35PM
Location: LOV 104
 
Sep 15 2015
Haibin Hang (FSU)
On fibering certain 3-manifolds
Topology Seminar
Time: 3:35
Location: LOV 201
We will talk about John Stalling's paper, in which he proves:

Theorem 1. If E is a compact 3-manifold and its fundamental group contains a finitely generated normal subgroup G, whose quotient g... More
 
Sep 10 2015
Kate Petersen (FSU)
Class Numbers, Class Groups, and the Euclidean Algorithm
Algebra and Its Applications
Time: 3:35PM
Location: LOV 104
 
Sep 1 2015
Robert Billet (FSU)
Fibered knots and links
Topology Seminar
Time: 3:35
Location: LOV 201
In this talk we will review some basic ideas about mapping class groups of surfaces and fibered 3-manifolds. The Murasugi sum is an operation that lets us build new fibered links from old ones. A fibe... More
 
Aug 27 2015
Organizational Meeting
Algebra and Its Applications
Time: 3:35PM
Location: LOV 104
 
Aug 25 2015
Organizational meeting
Topology Seminar
Time: 3:35
Location: LOV 201
 
Apr 23 2015
Amod Agashe (FSU)
A generalization of Kronecker's first limit formula
Algebra seminar
Time: 3:35pm
Location: 104 Love
The classical Kronecker's first limit formula gives the

constant term in the Laurent expansion of a certain two variable

Eisenstein series, which in turn gives the constant term in theMore
 
Apr 16 2015
Robert Billet (FSU)
Topology, dynamics, and maybe some algebra
Algebra seminar
Time: 3:35pm
Location: 104 Love
For a manifold M in a large class of 3-manifolds, M admits a collection of algebraic numbers arising from mapping classes of essential surfaces in M connecting the geometry of M with the dynamics of t... More
 
Apr 14 2015
Haibin Hang (FSU)
The Loop Theorem II
Topology Seminar
Time: 3:35
Location: 104 LOV
We will continue with the proof of the loop theorem
 
Apr 9 2015
Corey Harris (FSU)
An Application of Segre Classes
Algebra seminar
Time: 3:35pm
Location: 104 Love
 
Apr 7 2015
Haibin Hang (FSU)
The loop theorem
Topology Seminar
Time: 3:35
Location: 104 LOV
Based on Hatcher's "Notes on Basic 3-Manifold Topology" we will talk about the loop theorem: Let M be a 3-manifold and let D be a 2-disk. If there is a map f: (D,∂D)→(M,∂M) with ... More
 
Apr 2 2015
Erdal Imamoglu (FSU)
Hurwitz Type Formula For Differential Equations
Algebra seminar
Time: 3:35pm
Location: 104 Love
Let f:X->Y be a non-constant analytic map where X and Y are compact Riemann surfaces. The Hurwitz formula gives a relation between the ramification indices of f and the Euler characteristics of X and ... More
 
Mar 31 2015
Dane Mayhook (FSU)
The Local Isomorphism Class of the Discrete Hyperbolic Plane
Topology Seminar
Time: 3:35
Location: 104 LOV
This talk will present the concept of local isomorphism in the context of a single example-the discrete hyperbolic plane H. I will explore the local isomorphism class (H) of this hyperbolic complex, ... More
 
Mar 26 2015
Leona Sparaco (FSU)
The PSL_2(C) Character Variety of a Family of 2-Bridge Knots
Algebra seminar
Time: 3:35pm
Location: 104 Love
The set of all PSL_2(C) representations of a hyperbolic knot complement is an algebraic set. The set of characters of these representations is an algebraic set as well, which is related to the topolo... More
 
Mar 24 2015
Yunyi Shen (FSU)
Prime decomposition of 3-manifolds
Topology Seminar
Time: 3:35
Location: 104 LOV
We will talk about the prime decomposition, following Hatcher's notes on $3$-manifolds
 
Mar 19 2015
Xiping Zhang (FSU)
Local Euler Obstructions
Algebra seminar
Time: 3:35pm
Location: 104 Love
I am going to talk about MacPherson's local Euler obstruction and the proof of G.Gonzalez-Sprinberg on the algebraic formula.
 
Mar 17 2015
Russell Waller (FSU)
Topology, dynamics, and data
Topology Seminar
Time: 3:35
Location: 104 LOV
Topological data analysis uses topological tools to study the shape of data, and to provide visual representations of its underlying structure. We provide an introduction to the objectives of this fie... More
 
Mar 3 2015
Michael Roy (FSU)
Elementary Morse Theory and Alexander's Theorem
Topology Seminar
Time: 3:35
Location: 104 LOV
In the talk, I'll outline the elementary points of Morse theory and deduce Alexander's theorem as a result
 
Feb 26 2015
Amod Agashe (FSU)
Stark's conjecture in the rank two case
Algebra seminar
Time: 3:35pm
Location: 104 Love
After recalling the rank one case of Stark's conjecture, we will state the rank two case and a result concerning it.
 
Feb 24 2015
Jay Leach (FSU)
Essential surfaces in 3-manifolds
Topology Seminar
Time: 3:35
Location: 104 LOV
Following some work by Culler and Shalen on essential surfaces in 3-manifolds.
 
Feb 19 2015
Wen Xu (FSU)
Third order differential equations with hypergeometric solutions
Algebra seminar
Time: 3:35pm
Location: 104 Love
Given a third order linear differential operator L with rational function coefficients, we want to find hypergeometric solutions in terms of 3F2 functions. This talk will discuss how to find such solu... More
 
Feb 17 2015
Leona Sparaco (FSU)
The Gromov Norm and Volume of a Hyperbolic Manifold, Part 2
Topology Seminar
Time: 3:35
Location: 104 LOV
This will be a continuation of last week's talk. We will present Gromov's proof of Mostow's Theorem based on Gromov and Thurston's work with the Gromov norm and straight simplices.
 
Feb 12 2015
Amod Agashe (FSU)
Kronecker's limit formulas and Stark's conjectures III
Algebra seminar
Time: 3:35pm
Location: 104 Love
This is third in a series of 3-4 lectures. In this lecture, we shall finish our overview, focussing on Stark's conjectures. We shall recall whatever is needed from the first lecture. The abstract for ... More
 
Feb 10 2015
Leona Sparaco (FSU)
The Gromov Norm and Volume of a Hyperbolic Manifold
Topology Seminar
Time: 3:35
Location: 104 LOV
The Gromov norm of a compact orientable manifold is a norm on the singular homology. This talk will begin with a review of singular homology. We will define the Gromov norm and show how it relates to ... More
 
Feb 3 2015
Robert Billet (FSU)
Fibered knots, Alexander polynomials, and the Seifert form. Part II
Topology Seminar
Time: 3:35
Location: 104 LOV
In this talk we will look at an example of a fibration of a knot complement M=S^3-K. We will define the Alexander polynomial of a fibered knot in terms of its monodromy and compute these objects in an... More
 
Jan 29 2015
Amod Agashe (FSU)
Kronecker's limit formulas and Stark's conjectures II
Algebra seminar
Time: 3:35pm
Location: 104 Love
This is second in a series of 3-4 lectures. In this lecture, we shall continue our overview, focussing on Kronecker's second limit formula and Stark's conjectures. We shall recall whatever is needed f... More
 
Jan 27 2015
Robert Billet (FSU)
Fibered knots, Alexander polynomials, and the Seifert form
Topology Seminar
Time: 3:35
Location: 104 LOV
In this talk we will look at an example of a fibration of a knot complement M=S^3-K. We will define the Alexander polynomial of a fibered knot in terms of its monodromy and compute these objects in an... More
 
Jan 22 2015
Amod Agashe (FSU)
Kronecker's limit formulas and Stark's conjectures
Algebra seminar
Time: 3:35pm
Location: 104 Love
Kronecker's first limit formula gives the polar and constant term in the Laurent series expansion of the zeta function of a quadratic imaginary field at s=1. Kronecker's second limit formula gives the... More
 
Jan 20 2015
Robert Billet (FSU)
Surface automorphisms and geometric structures on 3-manifolds
Topology Seminar
Time: 3:35
Location: 104 LOV
We will talk in some generality about 3-manifold geometry with emphasis on the relationship between the dynamics of a surface automorphism and the geometry of the corresponding surface bundle over S^1... More
 
Jan 15 2015
Organizational meeting
Algebra and its applications
Time: 3:35pm
Location: 104 Love
 
Jan 13 2015
Organizational meeting
Topology Seminar
Time: 15:35
Location: 104 LOV
 
Dec 4 2014
Lydia Eldredge (FSU)
Introduction to Derivations
Algebra Seminar
Time: 3:35 PM
Location: 104
 
Nov 20 2014
Anatoly Libgober (University of Illinois at Chicago)
Motivic infinite cyclic covers
Algebra Seminar
Time: 3:35 PM
Location: 104
I will describe contruction of invariant of infinite cyclic covers taking values in the Grothendieck group of complex algebraic varieties. This will generalize Denef-Loeser motivic Milnor fiber as wel... More
 
Nov 18 2014
Jay Leach (Florida State University)
Construction of the dual tree of a surface
Topology seminar
Time: 3:35pm
Location: 201 Love
Following a construction by Culler and Shalen one can construct a tree associated to a surface in a 3-manifold. It can

then be shown that if the surface is essential then the fundamental group... More
 
Nov 13 2014
Jacob Arnett (FSU)
Symbolic dynamics and algebra
Algebra Seminar
Time: 3:35 PM
Location: 104
The main purpose of this talk is to give background in symbolic dynamics, and in particular shift spaces of finite type and their corresponding matrices. The correspondence of spaces and matrices give... More
 
Nov 6 2014
Paolo Aluffi (FSU)
How I learned to stop worrying and love benzenoid hydrocarbons
Algebra Seminar
Time: 3:35 PM
Location: 104
We provide formulas for the degrees of the projections of the locus of square matrices with given rank from linear spaces spanned by a choice of matrix entries. The motivation for these computations s... More
 
Nov 4 2014
Chris Stover (Florida State University)
Sutured manifold hierarchies and finite depth foliations
Topology seminar
Time: 3:35pm
Location: 201 Love
This will be an introductory talk centered on notions related to finite-depth foliations on 3-manifolds. In this talk, the term ``depth'' will be defined relative to foliations and numerous examples w... More
 
Nov 3 2014
Xiping Zhang
Introduction to Intersection Theory
Graduate Student Seminar
Time: 2:30pm
Location: LOV200
One of the historical and most essential problems in intersection theory is enumerate problem. For example, how many lines are there on a quadratic surface in P3? How many lines are there on a cubic s... More
 
Oct 30 2014
Erdal Imamoglu (FSU)
On Hypergeometric Solutions of Second Order Linear Differential Equations
Algebra Seminar
Time: 3:35 PM
Location: 104
 
Oct 28 2014
Ingrid Irmer (Florida State University)
A family of curve complexes, winding number and the Torelli group
Topology seminar
Time: 3:35pm
Location: 201 Love
Curve complexes have traditionally been used to study the mapping class group of a surface. For the Torelli group, i.e. the subgroup of the mapping class group that acts trivially on homology, standar... More
 
Oct 21 2014
Ingrid Irmer (FSU)
A family of curve complexes, winding number and the Torelli group
Topology seminar
Time: 3:35pm
Location: 201 Love
Curve complexes have traditionally been used to study the mapping class group of a surface. For the Torelli group, i.e.

the subgroup of the mapping class group that acts trivially on homology, ... More
 
Oct 16 2014
Corey Harris (FSU)
A method for computing Segre classes in arbitrary projective schemes (Part II)
Algebra Seminar
Time: 3:35 PM
Location: 104
We give an algorithm for computing Segre classes of subschemes of arbitrary projective schemes. The algorithm relies on computing a contribution of the subscheme to the degree of the ambient scheme (e... More
 
Oct 14 2014
Robert Billet (Florida State University)
Fibered 3-manifolds and free-by-cyclic groups
Topology seminar
Time: 3:35pm
Location: 201 Love
There is a strong analogy between the mapping class group of an oriented surface of finite type and the

group of outer automorphisms

of a free group. By work of Thurston, the fibrations... More
 
Oct 9 2014
Corey Harris (FSU)
A method for computing Segre classes in arbitrary projective schemes
Algebra and its Applications
Time: 3:35 PM
Location: 104
We give an algorithm for computing Segre classes of subschemes of arbitrary projective schemes. The algorithm relies on computing a contribution of the subscheme to the degree of the ambient scheme (e... More
 
Oct 7 2014
Robert Billet (Florida State University)
Fibered 3-manifolds and free-by-cyclic groups
Topology seminar
Time: 3:35pm
Location: 201 Love
There is a strong analogy between the mapping class group of an oriented surface of finite type and the group of outer automorphisms

of a free group. By work of Thurston, the fibrations of a hy... More
 
Oct 2 2014
Kyounghee Kim (FSU)
Pseudo-automorphisms of Blowup of Projective space along a set of points
Algebra and its Applications
Time: 3:35 PM
Location: 104
 
Sep 30 2014
Sergio Fenley (FSU)
Diversified homotopic behavior of closed orbits of some R-covered Anosov flows
Topology seminar
Time: 3:35pm
Location: 201 Love
We finish the construction of Anosov flows so that some closed orbits of the flow are freely homotopic to infinitely many other closed orbits of the flow, while other orbits are freely homotopic to on... More
 
Sep 25 2014
Kathleen Petersen (FSU)
Equidistribution of Elements of Norm 1 in Number Fields
Algebra and its Applications
Time: 3:35 PM
Location: 104
In ℚ(i), the elements of norm 1 correspond to rational points on the unit circle. In a quadratic number field, this generalizes to rational points on an ellipse. We'll discuss the geometry of th... More
 
Sep 23 2014
Sergio Fenley (FSU)
Diversified homotopic behavior of closed orbits of some R-covered Anosov flows
Topology seminar
Time: 3:350m
Location: 201 Love
We talk about actual constructions of Anosov flows so that some closed orbits of the flow are freely homotopic to infinitely many other closed orbits of the flow,

while other orbits are freely ... More
 
Sep 18 2014
Ettore Aldrovandi (FSU)
Multiextensions and the cohomology of rings (Part III)
Algebra and its Applications
Time: 3:35 PM
Location: 104
In the context of abelian groups, multiextensions are to multilinear maps what extensions are to homomorphisms. Multiextensions can be defined for categories and stacks, where they classify functors w... More
 
Sep 16 2014
Sergio Fenley (FSU)
Diversified homotopic behavior of closed orbits of some R-covered Anosov flows
Topology seminar
Time: 3:35pm
Location: 201 Love
We show that if Phi is an R-covered Anosov flow in a closed hyperbolic 3-manifold, then every closed orbit of Phi is freely homotopic to infinitely many other closed orbits of Phi. This is connected w... More
 
Sep 11 2014
Ettore Aldrovandi (FSU)
Multiextensions and the cohomology of rings (Part II)
Algebra and its Applications
Time: 3:35 PM
Location: 104
In the context of abelian groups, multiextensions are to multilinear maps what extensions are to homomorphisms. Multiextensions can be defined for categories and stacks, where they classify functors w... More
 
Sep 9 2014
Sergio Fenley (FSU)
Diversified homotopic behavior of closed orbit of some R-covered Anosov flows, 2
Topology seminar
Time: 3:35pm
Location: 201 Love
We continue the analysis of free homotopies of closed orbits of Anosov flows and analyze the case of infinitely many freely homotopic closed orbits.
 
Sep 4 2014
Ettore Aldrovandi (FSU)
Multiextensions and the cohomology of rings
Algebra and its Applications
Time: 3:35 PM
Location: 104
In the context of abelian groups, multiextensions are to multilinear maps what extensions are to homomorphisms.



Multiextensions can be defined for categories and stacks, where they clas... More
 
Aug 26 2014
Sergio Fenley (FSU)
Diversified homotopic behavior of closed orbits of some R-covered Anosov flows
Topology seminar
Time: 3:35pm
Location: 201 Love
The free homotopy class of a closed orbit is the collection of closed orbits which are freely homotopic to the given orbit. For Anosov flows this is at most countable. We discuss some basic examples a... More
 
Apr 24 2014
Corey Harris (FSU)
Monomial Cremona maps of the plane
Algebra and Its Applications
Time: 3:35 PM
Location: LOV 104
Birational self-maps of the plane were first systematically studied by Cremona in the 1860's. Since then, much work has been done to understand these "Cremona maps", but there are still many unanswer... More
 
Apr 22 2014
Dane Mayhook
Expansion Complexes II
Topology and Geometry Seminar
Time: 3:35
Location: 104LOV
OThe results of the first talk are no longer true in general when considering expansion complexes for finite subdivision rules with multiple tile types. In particular, two expansion complexes associat... More
 
Apr 17 2014
Mutlu Akar
Some Properties on the Dual Hyperbolic Numbers
Complex Analysis Seminar
Time: 3:35
Location: LOV107
 
Apr 17 2014
Vijay Kunwar (FSU)
Computing the pull-back functions
Algebra and Its Applications
Time: 3:35 PM
Location: LOV 104
Differential equations with hypergeometric solutions are very common. Let

L be a second order linear differential equation with 'n' singularities. Suppose

that L can be solved in terms o... More
 
Apr 15 2014
Dane Mayhook
Expansion Complexes II
Topology and Geometry Seminar
Time: 3:35
Location: 104LOV
OThe results of the first talk are no longer true in general when considering expansion complexes for finite subdivision rules with multiple tile types. In particular, two expansion complexes associat... More
 
Apr 10 2014
Christopher Stover
An Introduction to Generalized (Complex) Geometry
Complex Analysis Seminar
Time: 3:35
Location: LOV107
An Introduction to Generalized (Complex) Geometry

Christopher Stover



The purpose of this talk is to introduce and briefly survey Nigel Hitchin's generalized geometry. This relati... More
 
Apr 10 2014
Leona Sparaco (FSU)
Hyperbolic Structures on the Figure-8 knot complement
Algebra and Its Applications
Time: 3:35 PM
Location: LOV 104
 
Apr 8 2014
Yunyi Shen
Operator algebras and foliations II
Topology and Geometry Seminar
Time: 3:35
Location: 104LOV
 
Apr 3 2014
Amod Agashe (FSU)
Kronecker's first limit formula
Algebra and Its Applications
Time: 3:35 PM
Location: LOV 104
The classical Kronecker's first limit formula gives the constant term

in the Laurent expansion of a certain two variable Eisenstein series,

which in turn gives the constant term in the L... More
 
Apr 1 2014
Yunyi Shen
Operator algebras and foliations
Topology and Geometry Seminar
Time: 3:35
Location: 104LOV
 
Mar 27 2014
Linda Chen (Swarthmore)
Equivariant quantum cohomology, flag varieties, and positivity
Algebra and Its Applications
Time: 3:35PM
Location: LOV104
Enumerative geometry problems were the subject of Hilbert's Fifteenth problem. Inspired by ideas in physics, surprising relations between numbers of rational curves were established using quantum coho... More
 
Mar 25 2014
Kate Petersen
Character Varieties, degree of irrationality, and Dehn filling.
Topology and Geometry Seminar
Time: 3:35
Location: 104LOV
 
Mar 20 2014
Sinem Karatas (FSU)
Some Lie Theory and the Baker-Campbell-Hausdorff Formula
Algebra and Its Applications
Time: 3:35 PM
Location: LOV 104
 
Mar 18 2014
Sinem Karatas
Isometric Immersions
Topology and Geometry Seminar
Time: 3:35
Location: 104LOV
 
Mar 6 2014
Eriko Hironaka (FSU)
Teichmueller polynomials of free-by-cyclic groups
Algebra and Its Applications
Time: 3:35 PM
Location: LOV 104
 
Mar 4 2014
Robert Billet
Automorphisms of Free Groups and the Culler-Vogtmann Outer Space
Topology and Geometry Seminar
Time: 3:35
Location: 104LOV
 
Mar 1 2014
Yunyi Shen
Operator algebras and foliations
Topology and Geometry Seminar
Time: 3:35
Location: 104LOV
 
Feb 27 2014
Cameron Gordon (University of Texas, Austin)
Unsolvable problems about higher-dimensional knot groups
Special Topology-Algebra Seminar
Time: 3:35 PM
Location: LOV 106
Abstract: An n-knot is a smooth embedding of the n-sphere in the (n+2)-sphere, and the corresponding n-knot group is the fundamental group of its complement. In contrast to the classical case n = 1, w... More
 
Feb 25 2014
Chris Stover
Limit Sets and Their Applications
Topology and Geometry Seminar
Time: 3:35
Location: 104LOV
 
Feb 18 2014
Russ Waller
Applications of topology to data mining
Topology and Geometry Seminar
Time: 3:35
Location: 104LOV
 
Feb 11 2014
Russ Waller
An asymmetric Namioka theorem
Topology and Geometry Seminar
Time: 3:35
Location: 104LOV
 
Feb 6 2014
Bill Adams (FSU)
Specialization of Schwartz-MacPherson Chern Classes
Algebra and Its Applications
Time: 3:35 PM
Location: LOV 104
In this talk an alternate definition of specialization of Schwartz-MacPherson Chern classes is motivated and presented. Using topology as a guide, a connection to the formula for Euler obstructions f... More
 
Feb 4 2014
Mehmet Aktas
Topology of algebraic plane curves
Topology and Geometry Seminar
Time: 3:35
Location: 104LOV
 
Jan 30 2014
Erdal Imamoglu (FSU)
Formal and Closed Form Solutions of Differential Operators
Algebra and Its Applications
Time: 3:35 PM
Location: LOV 104
 
Jan 28 2014
Mika Seppala
The Topology of MOOCs
Topology and Geometry SEminar
Time: 3:35
Location: 104LOV
 
Jan 23 2014
Paolo Aluffi (FSU)
Linear orbits of plane curves
Algebra and Its Applications
Time: 3:35 PM
Location: LOV 104
The projective linear group PGL(3) acts on the set of plane curves of

fixed degree. We are interested in computing invariants for the closures

of the orbits of this action. For example, ... More
 
Jan 21 2014
Mika Seppala
The Topology of MOOCs
Topology and Geometry Seminar
Time: 3:35
Location: 104LOV
 
Jan 16 2014
Organizational Meeting
Algebra and Its Applications
Time: 3:35 PM
Location: LOV 104
 
Jan 14 2014
Organizational Meeting
Topology and Geometry SEminar
Time: 3:35
Location: 104LOV
 
Jan 9 2014
Organizational meeting
Complex Analysis
Time: 3:35 pm
Location: LOV 107
 
Dec 6 2013
Corey Harris (FSU)
Intersection products
Candidacy Exam
Time: 11:15
Location: 204B
For a smooth quasiprojective variety Y, we can define an intersection product for classes in the Chow group to be the class of the intersection of two cycles representing the classes and meeting each ... More
 
Dec 5 2013
Corey Harris (FSU)
Monomial principalization in the singular setting
Algebra and Its Applications
Time: 3:35 PM
Location: LOV 104
We generalize an algorithm by Goward for principalization of monomial ideals in nonsingular varieties to work on any scheme of finite type over a field. The normal crossings condition considered by Go... More
 
Dec 4 2013
Mehmet Aktas
Topology of Algebraic Curve Complements via Dessins D'Enfants
ATE Exam
Time: 2:00
Location: 204B LOV
 
Dec 4 2013
M. Roy
Conjugate Fourier series
Complex Analysis
Time: 3:35
Location: 106 Love
 
Nov 21 2013
Kyounghee Kim (FSU)
Surface automorphisms fixing a cubic curve
Algebra and Its Applications
Time: 3:35
Location: LOV 104
We will discuss a method to construct automorphisms on rational surfaces. Surface automorphisms on rational surfaces are birationally equivalent to birational maps on $P^2$. We will start with a birat... More
 
Nov 20 2013
D. Williams
A complex investigation of Pythagorean triples : A survey of Clifford Algebras and Euclid's parametrization of Pythagorean triples
Complex Analysis
Time: 3;35
Location: 106 Love
 
Nov 19 2013
Dane Mayhook (Florida State University)
Examining the type problem for planar polygonal complexes that exhibit a combinatorial hierarchy
Topology seminar
Time: 3:35pm
Location: 201 Love
Every planar polygonal complex gives rise to a unique conformally regular

reflective tiling. The type problem asks: given a complex, is its

associated conformal tiling parabolic, or hype... More
 
Nov 14 2013
Amod Agashe (FSU)
Stark-Heegner/Darmon points II
Algebra and Its Applications
Time: 3:35
Location: LOV 104
Stark-Heegner points (also called Darmon points) are certain points defined on elliptic curves using analytic constructions, but are conjectured to have algebraic coordinates. They are analogs of Heeg... More
 
Nov 13 2013
Y. Shen
TBA
Complex Analysis
Time: 3:35
Location: 106 Love
 
Nov 7 2013
Amod Agashe (FSU)
Stark-Heegner/Darmon points
Algebra and Its Applications
Time: 3:35
Location: LOV 104
Stark-Heegner points (also called Darmon points) are certain points defined on elliptic curves using analytic constructions, but are conjectured to have algebraic coordinates. They are analogs of Heeg... More
 
Nov 6 2013
No meeting this week
Complex analysis
Time: 3:35
Location: 106 Love
 
Nov 5 2013
Eriko Hironaka (Florida State University)
Train tracks and branched surfaces
Topology seminar
Time: 3:35pm
Location: 201 Love
This talk is basically a continuation of my previous ones entitled,

toward a fibered face theory for free group outer automorphisms.  I will talk about

a constructive way to compute the... More
 
Oct 31 2013
Ivan Dungan (FSU)
n-Butterflies
Algebra and Its Applications
Time: 3:35 PM
Location: LOV 104
We will continue the work of Behrang Noohi’s that weak morphisms between 2-groups can be modeled by butterflies. First, we will discuss reduced crossed complexes as an algebraic model of infinity g... More
 
Oct 31 2013
Ivan Dungan (FSU)
n-Butterflies
Algebra and Its Applications
Time: 3:35
Location: LOV 104
We will continue the work of Behrang Noohi’s that weak morphisms between 2-groups can be modeled by butterflies. First, we will discuss reduced crossed complexes as an algebraic model of infinity g... More
 
Oct 30 2013
Chris Stover
Constructing complex manifolds using Lie groups
Complex Analysis
Time: 3:35
Location: 106 Love
 
Oct 29 2013
Russ Waller (Florida State University)
Seifert pieces of graph manifolds without Klein bottles, III
Topology seminar
Time: 3:35pm
Location: 201 Love
We prove a classification for surfaces -- known as fat graphs -- that admit an irreducible, bicolorable flow graph with a given number of vertices. We also discuss how this relates to graph manifolds.
 
Oct 24 2013
Ivan Dungan (FSU)
Crossed Complexes
Algebra and Its Applications
Time: 3:35 PM
Location: LOV 104
We will introduce crossed complexes as generalized chain complexes which hold non-abelian information. This will be made precise by extending the Dold-Kan Correspondence, which relates chain complexe... More
 
Oct 23 2013
No meeting this week
Complex Analysis
Time: 3:35
Location: 106 Love
 
Oct 22 2013
Russ Waller (Florida State University)
Seifert pieces of graph manifolds without Klein bottles
Topology Seminar
Time: 3:35pm
Location: 201 Love
We prove a classification for surfaces -- known as fat graphs -- that admit an irreducible, bicolor able flow graph with a given number of vertices. We also discuss how this relates to graph manifolds... More
 
Oct 17 2013
Vijay Kunwar (FSU)
Second Order Linear Differential Equations with Five Regular Singularities
Algebra and Its Applications
Time: 3:35 PM
Location: LOV 104
Differential equations with 2F1-type solutions are very common in Combinatorics. I will talk about the algorithm to find 2F1-type solutions of second order differential equations with five regular sin... More
 
Oct 15 2013
Russ Waller (FSU)
Seifert pieces of graph manifolds without Klein bottles
Topology seminar
Time: 3:35pm
Location: 201
We prove a classification for surfaces -- known as fat graphs -- that admit an irreducible, bicolor able flow graph with a given number of vertices. We also discuss how this relates to graph manifolds... More
 
Oct 9 2013
Kerr Ballenger
Nontangential Convergence of Harmonic Functions and Monogenic Functions
Complex Analysis
Time: 3:35
Location: 106 Love
 
Oct 8 2013
Eriko Hironaka (Florida State University)
Towards a fibered face theory for free group isomorphisms, part 2
Topology seminar
Time: 3:35pm
Location: 201 Love
This is the second of a series of two talks. In the first I will review fibered face theory and the Teichmuller polynomial. In the second I will define an analog of the Teichmuller polynomial in the s... More
 
Oct 2 2013
Y. Almalki
The boundary mapping of an isomorphism between two Mobius groups II
Time: 3:35
Location: 106 Love
 
Oct 1 2013
Eriko Hironaka (Florida State University)
Towards a fibered fact theory for free group isomorphisms
Topology seminar
Time: 3:35pm
Location: 201 Love
This will be a series of two talks. In the first I will review fibered face theory

and the Teichmuller polynomial. In the second I will define an analog of the Teichmuller polynomial in the set... More
 
Sep 25 2013
Y. Almalki
TBA
Complex Analysis
Time: 3:35
Location: 106 Love
 
Sep 24 2013
Sergio Fenley (Florida State University)
Foliations in 3-manifolds, III
Topology seminar
Time: 3:35pm
Location: 201 Love
We describe hierarchies for sufficiently large three manifolds. Then we explain how this is used by Gabai to prove the existence of Reebless foliations for irreducible 3-manifolds with infinite homolo... More
 
Sep 19 2013
Selcan Aksoy (FSU)
Morphisms between Bicategories of FRBSU Monoidal Categories and Crossed Modules
Algebra and Its Applications
Time: 3:35
Location: LOV 104
Both monoidal categories and module categories over them are the generalizations of algebras and modules over these algebras. Braided monoidal categories and bimodule categories are constructed using ... More
 
Sep 18 2013
John Emanuello
Mobius Transformations of Two Hypercomplex Spaces
Complex Analysis
Time: 3:35
Location: 106 Love
 
Sep 17 2013
Sergio Fenley (FSU)
Foliations in 3-manifolds, II
Topology seminar
Time: 3:35pm
Location: 201 Love
Novikov's theorem is a fundamental theorem for foliations of 3-manifolds. It gives a basic and very strong connection with the topology of the manifold. The talk will describe the theorem and present ... More
 
Sep 12 2013
Bill Adams (FSU)
Chern classes of singular varieties II
Algebra and Its Applications
Time: 3:35
Location: LOV 104
 
Sep 11 2013
John Emanuello
Mobius transformations of Two Hypercomplex Spaces
Complex Analysis
Time: 3:35
Location: 106 Love
 
Sep 5 2013
Bill Adams (FSU)
Chern classes of singular varieties
Algebra and Its Applications
Time: 3:35
Location: LOV 104
 
Sep 4 2013
Organizational Meeting
Complex Analysis
Time: 3:35
Location: 106 Love
 
Aug 27 2013
Sergio Fenley (FSU)
Foliations in three manifolds
Topology seminar
Time: 3:35pm
Location: 201 Love
I will talk about uniformization of two dimensional foliations in three manifolds.
 
May 17 2013
Xia Liao (Florida State University)
Chern classes of sheaves of logarithmic vector fields for free divisors
Ph.D. dissertation defense
Time: 10
Location: 204B
 
Apr 18 2013
Abhijit Champanerkar (CUNY Staten Island)
Towards the classification of quasi-alternating Montesinos links
Special Colloquium
Time: 3:35
Location: LOV 104
Quasi-alternating links are a generalization of

alternating links from a knot homological perspective. They are

homologically thin for both Khovanov homology and knot Floer

homol... More
 
Apr 9 2013
Ettore Aldrovandi (FSU)
Multiplicative homotopy 2-types
Topology and Geometry Seminar
Time: 3:35 PM
Location: LOV 104
A homotopy 2-type describes the isomorphism class in the homotopy

category of an object whose only nontrivial homotopy groups sit in

degrees 1 and 2. The multiplicative ones correspond (... More
 
Mar 26 2013
Dane Mayhook (FSU)
Constructing Uncountably Many Elements of the Local Isomorphism Class of the Hyperbolic Penrose Graph
Topology and Geometry Seminar
Time: 3:35
Location: LOV 104
It is known that the local isomorphism class of any graph is either a singleton or uncountable. In practice finding a handful of elements of a graph's local isomorphism class is a feasible problem, w... More
 
Mar 21 2013
Craig A. Nolder
Mobius Geometry of the Compact Split Complex Plane
Complex Analysis
Time: 3:35
Location: 107 Love
 
Mar 19 2013
Russ Waller (FSU)
Continuous lattices and alpha-favorability
Topology and Geometry Seminar
Time: 3:35
Location: LOV 104
 
Mar 5 2013
Kurt Vinhage (Penn State)
Rigidity in algebraic dynamical systems
Topology and Geometry Seminar
Time: 3:35
Location: LOV 104
Classical dynamical systems generally demonstrate great flexibility in their behavior. In the case of $\R^k$ or $\Z^k$ actions, the opposite phenomenon is often the case. Katok and Spatzier first obse... More
 
Feb 26 2013
Selcan Aksoy (FSU)
Torsion Category of A Finite Monoidal Category
Topology and Geometry Seminar
Time: 3:35
Location: LOV 104
We give some properties of a torsion pair for a given finite monoidal category and then define its torsion category.
 
Feb 22 2013
Alexander Dranishnikov (University of Florida)
On Lusternik-Schnirelmann category
Topology Week
Time: 1:25
Location: LOV 201
This is an introductory lecture on the Lusternik-Schnirelmann category. We will discuss some new and classical results in the area, connections to topological robotics, and some open problems.
 
Feb 22 2013
Edivaldo Lopes dos Santos (Universidade Federal de Sao Carlos, Brazil)
Bourgin-Yan Theorem for G-equivariant Maps
Topology Week
Time: 2:30
Location: LOV 204-B
 
Feb 21 2013
John Bryant (FSU (emeritus))
UV^k Mappings
Topology Week
Time: 3:35
Location: LOV 104
 
Feb 21 2013
Luiz Roberto Hartmann Jr. (Universidade Federal de Sao Carlos, Brazil)
The Cheeger-Mueller Theorem and Generalizations
Topology Week
Time: 1:30
Location: LOV 204-B
 
Feb 21 2013
Thais Fernanda M. Monis (UNESP- Rio Claro, Brazil)
A Generalization of the Concept of Differentiability and Results on Local Nath Equilibrium
Topology Week
Time: 2:15
Location: LOV 204-B
 
Feb 21 2013
John Emanuello
Conformal Transformations of Euclidean and Minkowski Planes
Complex Analysis
Time: 3:35
Location: 107 Love
 
Feb 20 2013
Kyounghee Kim (FSU)
Birational maps fixing a curve with a cusp
Topology Week
Time: 3:35
Location: LOV 101
An element of T-shaped root system T(2,q,r) can be realized by a lift of a birational map on {\bf P}^{q-1}. One method for constructing such birational maps is using invariant curves. We will discuss ... More
 
Feb 20 2013
Problem Session
Topology Week
Time: 1:25
Location: LOV 201
 
Feb 20 2013
Alice K. M. Libardi (UNESP- Rio Claro, Brazil)
Some Invariants of Coincidences of Fiberwise Maps
Topology Week
Time: 2:30
Location: LOV 204-B
 
Feb 19 2013
Kate Petersen (FSU)
Character Varieties II
Topology Week
Time: 3:35
Location: LOV 104
 
Feb 19 2013
Eriko Hironaka (FSU)
Spectral radius of digraphs
Topology Week
Time: 1:30
Location: LOV 204-B
Certain dynamical systems, such as behavior of curves under iterations of a mapping class on a surface, can be modeled using digraphs. In this talk we describe a deformation theory for digraphs that m... More
 
Feb 18 2013
Kate Petersen (FSU)
Character Varieties I
Topology Week
Time: 3:35
Location: LOV 101
 
Feb 18 2013
Phil Bowers (FSU)
Conformal Tilings
Topology Week
Time: 1:25
Location: LOV 201
 
Feb 5 2013
Kate Petersen (FSU)
Character Varieties and Dehn Filling II
Topology and Geometry Seminar
Time: 3:35 PM
Location: LOV 104
 
Jan 22 2013
Kate Petersen (FSU)
Character Varieties and Dehn Filling I
Topology and Geometry Seminar
Time: 3:35 PM
Location: LOV 104
 
Jan 17 2013
Organizational Meeting
Algebra and Its Applications
Time: 3:35 PM
Location: 104
 
Jan 15 2013
Organizational Meeting
Topology and Geometry Seminar
Time: 3:35 PM
Location: LOV 104
 
Dec 6 2012
Kathleen Petersen (FSU)
Well-rounded Lattices
Algebra and its Applications
Time: 3:35 PM
Location: 104 LOV
 
Dec 4 2012
Dane Mayhook (Florida State University)
Solving the type problem for the local isomorphism class of the Bowers-Stephenson pentagonal tiling
Topology seminar
Time: 3:35pm
Location: 201 Love
 
Dec 4 2012
Xin Li
Schottky Groups
Complex Analysis
Time: 3:35
Location: 200 Love
 
Nov 29 2012
Amod Agashe (FSU)
Stark-Heegner points
Algebra and its Applications
Time: 3:35 PM
Location: 104 LOV
 
Nov 27 2012
Phil Bowers (Florida State University)
Conformal tilings, local isomorphism and type, Part III
Topolog seminar
Time: 3:35pm
Location: 201 Love
 
Nov 27 2012
Yunyi Shen (FSU Math)
Classification of Riemann Surfaces
Complex Analysis
Time: 3:35
Location: 200 Love
 
Nov 15 2012
Vijay Kunwar (FSU)
Computing 3-descent to a 2F1 solvable second order differential equation
Algebra and its Applications
Time: 3:35 PM
Location: 104 LOV
 
Nov 13 2012
Phil Bowers (FSU)
Conformal tilings, local isomorphism, and type, Part II
Topology seminar
Time: 3:35pm
Location: 201 Love
 
Nov 13 2012
No meeting this week
Complex analysis
Time: 3:35
Location: 200 Love
 
Nov 8 2012
Ivan Dungan (FSU)
Coverings and Infinity Stacks
Algebra and its Applications
Time: 3:35 PM
Location: 104 LOV
 
Nov 6 2012
Phil Bowers (Florida State University)
Conformal tilings, local isomorphism and type
Topology seminar
Time: 3:35pm
Location: 201 Love
 
Nov 6 2012
Craig A. Nolder
Quaternionic Matrices II
Complex Analysis
Time: 3:35
Location: 200 Love
 
Nov 1 2012
Ivan Dungan (FSU)
Coverings and Infinity Stacks
Algebra and its Applications
Time: 3:35 PM
Location: 104 LOV
 
Oct 30 2012
Craig A. Nolder (FSU Math)
Quaternionic Matrices
Complex Analysis
Time: 3:35
Location: 200 Love
 
Oct 25 2012
Kyounghee Kim (FSU)
The Coxeter element in W(p,q,r) vs. a pseudo-automorphisms in a projective space
Algebra and its Applications
Time: 3:35 PM
Location: 104 LOV
 
Oct 23 2012
Dongxu Wang (FSU)
Three manifolds which are unions of 3 solid Klein bottles
Topology seminar
Time: 3:35pm
Location: 201 Love
 
Oct 16 2012
Dongxu Wang (FSU)
3-manifolds that can be covered by three Klein bottles. Part III
Topology seminar
Time: 3:35pm
Location: 201 Love
 
Oct 16 2012
Kerr Ballenger
Mobius transformations of R^n
Complex Analysis
Time: 3:35
Location: 200 Love
 
Oct 12 2012
Matvei Libine (Indiana University)
What Is Quaternionic Analysis?
Colloquium
Time: 3:35
Location: 101 Love


I will give a gentle introduction to quaternionic analysis and then

outline some recent developments. In particular, I will describe our

joint work with Igor Frenkel (Yale Univ... More
 
Oct 11 2012
Matvei Libine (Indiana University)
Introduction to Split Quaternionic Analysis
Special Complex Analysis Seminar
Time: 3:35
Location: 200 Love
I will give an introduction to split quaternionic analysis. As an

algebra, split quaternions are isomorphic to 2x2 real matrices. I will

show how to define regular functions there. The... More
 
Oct 9 2012
Dongxu Wang (FSU)
3-manifolds that can be covered by three Klein bottles. Part II
Topology seminar
Time: 3:35pm
Location: 201 Love
 
Oct 2 2012
Dongxu Wang (FSU)
3-manifolds that can be covered by three Klein bottles
Topology seminar
Time: 3:35pm
Location: 201 Love
 
Oct 2 2012
Kerr Ballanger (Math)
Mobius transformation of R^n
Complex Analysis
Time: 3:35
Location: 200 Love
 
Sep 27 2012
Paolo Aluffi (FSU)
Chern classes and Euler characteristics of general sections
Algebra and its Applications
Time: 3:35 PM
Location: 104
 
Sep 25 2012
Russ Waller (FSu)
Pseudo-Anosov flows in totally periodic graph manifolds, II
Topology seminar
Time: 3:35pm
Location: 201 Love
 
Sep 20 2012
Xia Liao (FSU)
Chern Classes of logarithmic derivations for locally quasi-homogeneous free divisors
Algebra and Its Applications
Time: 3:35 PM
Location: 104
 
Sep 18 2012
Russ Waller (FSU)
Pseudo-Anosov flows in totally periodic graph manifolds
Topology seminar
Time: 3:35pm
Location: 201 Love
 
Sep 18 2012
John Emanuello (Math)
Complex Mobius Transformations
Complex Analysis
Time: 3:35
Location: 200 Love
 
Sep 13 2012
Eriko Hironaka (FSU)
Mixed-sign Coxeter systems and Lehmer's problem
Algebra and Its Applications
Time: 3:35 PM
Location: 104
 
Sep 11 2012
Russ Waller (FSU)
Fixing Cauchy's mistake
Topology seminar
Time: 3:35pm
Location: 201 Love
 
Sep 6 2012
Organizational Meeting
Algebra and its applications
Time: 3:35 pm
Location: 104 LOV
 
Sep 4 2012
Organizational Meeting
Complex Analysis
Time: 3:35
Location: 200 Love
 
Apr 19 2012
Pekka Pankka (Academy of Finland)
Almost sure limits of some manifolds and graphs
Special Colloquium
Time: 3:35
Location: 107 LOV
Consider a sequence of closed Riemannian manifolds so that the diameters of manifolds grow without bounds. Using the Gromov-Hausdorff convergence of manifolds we may consider the collection of all lim... More
 
Apr 19 2012
Ivan Dungan (FSU)
Infinity Stacks via Homotopy Theory II
Algebra and its applications
Time: 3:35pm
Location: 104 Love
We will introduce infinity stacks as a solution to the moduli problem in algebraic geometry and then give a formal

definition. Roughly, an infinity stack is a functor in infinity categories wi... More
 
Apr 18 2012
Dan Li (FSU)
Toric varieties
Algebraic geometry seminar
Time: 3:35pm
Location: 107 Love
Graduate students will take turns lecturing on Toric varieties.
 
Apr 17 2012
Gregory Ivan Dungan II (FSU)
Generalized Homotopy Theory
Topology Seminar
Time: 3:35
Location: 104 LOV
 
Apr 17 2012
Vanessa Radzimski (FSU)
Tame symbols and reciprocity laws in number theory and geometry
Honor Thesis Defense
Time: 9:30 AM
Location: 151 LOV
 
Apr 12 2012
Yahya Almalki (FSU)
Character Varieties of Fundamental Groups of non-orientable Surfaces
Complex Analysis Seminar
Time: 3:35
Location: 107 LOV
 
Apr 12 2012
Ivan Dungan (FSU)
Infinity Stacks via Homotopy Theory
Algebra and its applications
Time: 3:35pm
Location: 104 Love
We will introduce infinity stacks as a solution to the moduli problem in algebraic geometry and then give a formal

definition. Roughly, an infinity stack is a functor in infinity categories wi... More
 
Apr 11 2012
James Fullwood (FSU)
Toric varieties
Algebraic geometry seminar
Time: 3:35pm
Location: 107 Love
Graduate students will take turns lecturing on Toric varieties.
 
Apr 10 2012
Dongxu Wang (FSU)
On 3-manifolds of S^1 category 3
Topology Seminar
Time: 3:35
Location: 104 LOV
 
Apr 5 2012
Xin Li (FSU)
Schwarz-Christoffel mapping
Complex Analysis Seminar
Time: 3:35
Location: 107 LOV
 
Apr 5 2012
Ettore Aldrovandi (FSU)
Some questions related to the classification of generalized differential operators II
Algebra and its applications
Time: 3:35pm
Location: 104 Love
Algebras of generalized differential operators were introduced by Simpson (after Beilinson, Bernstein, and others) to study a large class of moduli problems. I will present some results and ideas con... More
 
Apr 4 2012
TBA (FSU)
Toric varieties
Algebraic geometry seminar
Time: 3:35pm
Location: 107 Love
Graduate students will take turns lecturing on Toric varieties.
 
Mar 29 2012
Ettore Aldrovandi (FSU)
Some questions related to the classification of generalized differential operators
Algebra and its applications
Time: 3:35pm
Location: 104 Love
Algebras of generalized differential operators were introduced by Simpson (after Beilinson, Bernstein, and others) to study a large class of moduli problems. I will present some results and ideas con... More
 
Mar 28 2012
Ishwari Kunwar (FSU)
Toric varieties
Algebraic geometry seminar
Time: 3:35pm
Location: 107 Love
Graduate students will take turns lecturing on Toric varieties.
 
Mar 22 2012
Vijay Kunwar (FSU)
Computing Belyi and near Belyi maps
Algebra and its applications
Time: 3:35pm
Location: 104 Love
 
Mar 21 2012
Dan Li (FSU)
Toric varieties
Algebraic geometry seminar
Time: 3:35pm
Location: 107 Love
Graduate students will take turns lecturing on Toric varieties.
 
Mar 19 2012
Quan Yuan (China)
Finding Bessel type solutions of linear differential equations with rational function coefficients.
Time: 3:00
Location: LOV 204B
The talk will describe a complete algorithm to find

all Bessel type solutions of linear differential

equations with rational function coefficients. It is

the PhD defense of Quan ... More
 
Mar 15 2012
Mark van Hoeij (FSU)
The gonality of the modular curve X_1(N)
Algebra and its applications
Time: 3:35pm
Location: 104 Love
 
Mar 14 2012
Dan Li (FSU)
Toric varieties
Algebraic geometry seminar
Time: 3:35pm
Location: 107 Love
Graduate students will take turns lecturing on Toric varieties.
 
Mar 1 2012
Randy Heaton (FSU)
Intersection Numbers Between Spaces of Cuspidal Modular Forms
Algebra and its applications
Time: 3:35pm
Location: 104 Love
 
Feb 29 2012
Xia Liao (FSU)
Toric varieties
Algebraic geometry seminar
Time: 3:35pm
Location: 107 Love
Graduate students will take turns lecturing on Toric varieties.
 
Feb 28 2012
Russ Waller (FSU)
Periodic pieces of graph manifolds with pseudo-Anosov flow III
Topology Seminar
Time: 3:35
Location: 104 LOV
 
Feb 23 2012
Dan Li (FSU)
Elliptic curve, Picard-Fuchs equation and mirror map
Algebra and its applications
Time: 3:35pm
Location: 104 Love
This is a short introduction to mirror symmetry of elliptic curves based on ODE. Picard-Fuchs equation is a linear ordinary differential equation whose solutions describe the periods of elliptic curve... More
 
Feb 22 2012
Xia Liao (FSU)
Toric varieties
Algebraic geometry seminar
Time: 3:35pm
Location: 107 Love
Graduate students will take turns lecturing on Toric varieties.
 
Feb 21 2012
Russ Waller (FSU)
Periodic pieces of graph manifolds with pseudo-Anosov flow II
Topology Seminar
Time: 3:35
Location: 104 LOV
 
Feb 16 2012
Yahya Almalki (FSU)
Parametrization of pairs of Möbius transformations and of groups of Möbius transformations
Complex Analysis Seminar
Time: 3:35
Location: 107 LOV
 
Feb 16 2012
SHEN Yunyi (FSU)
An exercise in ring theory --A paper of Bergman
Algebra and its applications
Time: 3:35pm
Location: 104 Love
 
Feb 15 2012
James Fullwood (FSU)
Toric varieties
Algebraic geometry seminar
Time: 3:35pm
Location: 107 Love
Graduate students will take turns lecturing on Toric varieties.
 
Feb 14 2012
Russ Waller (FSU)
Periodic pieces of graph manifolds with pseudo-Anosov flow
Topology Seminar
Time: 3:35
Location: 104 LOV
 
Feb 10 2012
Yahya Almalki (FSU)
Teichmüller Spaces of Riemann and Klein Surfaces
Doctoral Candidacy Exam
Time: 1:30
Location: 200 LOV
 
Feb 9 2012
Tingting Fang (FSU)
Solving Linear Differential Equations in terms of Hypergeometric Functions
Algebra and its applications
Time: 3:35pm
Location: 104 Love
The goal in this talk is to solve second order linear differential equations in terms of hypergeometric 2F1 functions. We use 2-descent to reduce the equation to another differential equation with few... More
 
Feb 9 2012
Guanghong Wang (FSU)
Möbius transformations and their parametrization
Complex Analysis Seminar
Time: 3:35
Location: 107 LOV
 
Feb 8 2012
Ishwari Kunwar (FSU)
Toric varieties
Algebraic geometry seminar
Time: 3:35pm
Location: 107 Love
Graduate students will take turns lecturing on Toric varieties.
 
Feb 7 2012
Dane Mayhook (FSU)
An Introduction to Circle Packing - Talk V
Topology Seminar
Time: 3:35
Location: 104 LOV
 
Feb 2 2012
Xia Liao (FSU)
Chern classes of logarithmic vector fields
Algebra and its applications
Time: 3:35pm
Location: 104 Love
Let X be a nonsingular complex variety and D a reduced effective divisor in X. We study the conditions under which the formula $c_{SM}(1_U)=c(Der_X(-\log D))\cap [X]$ is true. We prove that this formu... More
 
Feb 1 2012
Dan Li (FSU)
Toric varieties
Algebraic geometry seminar
Time: 3:35pm
Location: 107 Love
Graduate students will take turns lecturing on Toric varieties.
 
Jan 31 2012
Dane Mayhook (FSU)
An Introduction to Circle Packing - Talk IV
Topology Seminar
Time: 15:35
Location: 104 LOV
 
Jan 26 2012
Mark van Hoeij (FSU)
Linear recurrence relations and irrationality proofs
Algebra and its applications
Time: 3:35pm
Location: 104 Love
The talk will show how one can use linear recurrence relations to show that certain real numbers are linearly independent over the rationals. The Lindemann–Weierstrass theorem will be derived as an ... More
 
Jan 25 2012
Xia Liao (FSU)
Toric varieties
Algebraic geometry seminar
Time: 3:35pm
Location: 107 Love
Graduate students will take turns lecturing on Toric varieties.
 
Jan 19 2012
Mark van Hoeij (FSU)
Linear recurrence relations and irrationality proofs
Algebra and its applications
Time: 3:35pm
Location: 104 Love
The talk will show how one can use linear recurrence relations to show that certain real numbers are linearly independent over the rationals. The Lindemann–Weierstra theorem will be derived as an il... More
 
Jan 18 2012
James Fullwood (FSU)
Toric varieties
Algebraic geometry seminar
Time: 3:35pm
Location: 107 Love
Graduate students will take turns lecturing on Toric varieties.
 
Jan 17 2012
Dane Mayhook
An Introduction to Circle Packing - Talk III
Topology Seminar
Time: 3:35
Location: 104 LOV
 
Jan 17 2012
Organizational Meeting
Algebra and Its Applications
Time: 3:35 PM
Location: 104
 
Jan 12 2012
Organizational meeting
Algebra and its applications
Time: 3:35pm
Location: 104 Love
We will decide the speakers for this semester.
 
Dec 8 2011
Vijay Kunwar (FSU)
Solving 5 singularity differential equations
Algebra and Its Applications
Time: 3:35 PM
Location: LOV 104
Differential equations with 3 singularities are solvable in terms of 2F1 Hypergeometric functions if they pull back from Gauss Hypergeometric equation. For differential equations with more singulariti... More
 
Dec 7 2011
Ishwari Kunwar (FSU)
Toric varieties
Algebraic geometry seminar
Time: 3:35pm
Location: 104 Love
Graduate students will take turns lecturing from the book by Fulton on Toric varieties.
 
Dec 6 2011
Thomas Barthelme (Tufts University)
Isotopy class for orbits of skewed R-covered Anosov flows
Topology seminar
Time: 3:35pm
Location: 201 Love
Skewed R-covered Anosov flows are a type of Anosov flows on 3-manifolds

with "well-behaved" stable and unstable foliations (their leaf spaces are

homeomorphic to R). S. Fenley constructe... More
 
Dec 1 2011
Ettore Aldrovandi (FSU)
Butterflies and connective ring spectra
Algebra and Its Applications
Time: 3:35 PM
Location: LOV 104
We establish a correspondence between connective ring spectra

and certain Picard groupoids equipped with a ring structure. We also

argue that morphisms between such objects can be encode... More
 
Nov 30 2011
TBA (FSU)
Toric varieties
Algebraic geometry seminar
Time: 3:35pm
Location: 104 Love
Graduate students will take turns lecturing from the book by Fulton on Toric varieties.
 
Nov 29 2011
Dane Mayhook (Florida State University)
An Introduction to Circle Packing
Topology seminar
Time: 3:35pm
Location: 201 Love
In this talk I will prove that if a triangulation K (of a

surface) is a combinational closed disc, then there exists a unique (up to

Mobius transformation) univalent circle packing for K... More
 
Nov 15 2011
Craig A. Nolder
Spherical Monogenics
Complex Analysis
Time: 3:35
Location: 200 Love
 
Nov 15 2011
Dane Mayhook (Florida State University)
An Introduction to Circle Packing
Topology seminar
Time: 3:35pm
Location: 201 Love
This will be the first of a series of 4-5 talks. In this

talk I will introduce some of the basic terminology and concepts of

circle packing, with the end goal of proving the Discret... More
 
Nov 10 2011
Tingting Fang (FSU)
Galois theory of linear differential equations
Algebra and Its Applications
Time: 3:35
Location: LOV 104
In this talk, I would briefly introduce the concepts and theorems about the Galois theory of linear differential equations. After that, the descent method of solving linear differential equations wi... More
 
Nov 9 2011
James Fullwood (FSU)
Toric varieties
Algebraic geometry seminar
Time: 3:35pm
Location: 104 Love
Graduate students will take turns lecturing from the book by Fulton on Toric varieties.
 
Nov 8 2011
Craig A. Nolder
Spherical Harmonics and Monogenics
Complex Analysis
Time: 3:35
Location: 200 Love
 
Nov 8 2011
Eriko Hironaka (Florida State University)
Fibered faces for three manifolds
Topology seminar
Time: 3:35pm
Location: 201 Love
 
Nov 2 2011
James Fullwood (FSU)
Toric varieties
Algebraic geometry seminar
Time: 3:35pm
Location: 104 Love
Graduate students will take turns lecturing from the book by Fulton on Toric varieties.
 
Nov 1 2011
Eko Hironaka (Florida State University)
Fibered faces for three manifolds
Topology seminar
Time: 3:35pm
Location: 201 Love
 
Nov 1 2011
Craig A. Nolder
H^2 as a subspace of L^2
Complec Analysis
Time: 3:35
Location: 200 Love
 
Oct 27 2011
Neil Hoffman (Boston College)
Hyperbolic knot complements and commensurability
Joint Topology/ Geometry and Algebra Seminar
Time: 3:35 PM
Location: LOV 104
Two hyperbolic manifolds are commensurable if they share a common finite sheeted cover. This notion partitions the set of hyperbolic 3-manifolds into commensurability classes. An interesting question ... More
 
Oct 26 2011
Dan Li (FSU)
Toric varieties
Algebraic geometry seminar
Time: 3:35pm
Location: 104 Love
Graduate students will take turns lecturing from the book by Fulton on Toric varieties.
 
Oct 25 2011
Craig A. Nolder
H^2 as a subspace of L^2-postponed one week
Complex Analysis
Time: 3:35
Location: 200 Love
 
Oct 25 2011
Kyle Armstrong (Florida State University)
Root systems of rank two mixed sign Coxeter systems
Topology Seminar
Time: 3:35pm
Location: 201 Love
I will present root systems of different rank two mixed-sign Coxeter systems and how they relate to the presentation of

the mixed-sign Coxeter group.
 
Oct 20 2011
Ferran Valdez (UNAM)
Polygonal billiards and holomorphic foliations
Algebra and Its Applications
Time: 3:35 PM
Location: LOV 104
In this talk we present a dictionary between polygonal billiards and homogeneous holomorphic foliations of the complex affine space of dimension 2. If time is sufficient, we will give some applicati... More
 
Oct 19 2011
Ishwari Kunwar (FSU)
Toric varieties
Algebraic geometry seminar
Time: 3:35pm
Location: 104 Love
Graduate students will take turns lecturing from the book by Fulton on Toric varieties.
 
Oct 18 2011
Alistair Windsor (University of Memphis)
Recent advances in cohomological equations
Topology seminar
Time: 3:35pm
Location: 201 Love
Cohomological equations appear in many contexts in dynamics. We will

introduce dynamical cohomological equations with values in both

commutative and non-commutative groups and explain wh... More
 
Oct 13 2011
Ettore Aldrovandi (FSU)
Lie Algebroids and Algebras of generalized differential operators
Algebra and Its Applications
Time: 3:35 PM
Location: LOV 104
Algebras of generalized differential operators were introduced by

Simpson (after Beilinson, Bernstein, and others) to study a large class

of moduli problems, including, but not limited t... More
 
Oct 12 2011
Liao Xia (FSU)
Toric varieties
Algebraic geometry seminar
Time: 3:35pm
Location: 104 Love
Graduate students will take turns lecturing from the book by Fulton on Toric varieties.
 
Oct 11 2011
Aaron Valdivia (Florida State University)
Mapping tori for pseudo-Anosov mapping classes
Topology seminar
Time: 3:35pm
Location: 201 Love
 
Oct 6 2011
SHEN Yunyi (FSU)
Introduction to Hopf Algebras
Algebra and Its Applications
Time: 3:35 PM
Location: LOV 104
 
Oct 5 2011
James Fullwood (FSU)
Toric varieties
Algebraic geometry seminar
Time: 3:35pm
Location: 104 Love
Graduate students will take turns lecturing from the book by Fulton on Toric varieties.
 
Oct 4 2011
Craig A. Nolder (FSU Math)
Theta Functions
Complex Analysis
Time: 3:35
Location: 200 Love
 
Oct 4 2011
Kate Petersen (Florida State University)
Character varieties
Topology seminar
Time: 3:35pm
Location: 201 Love
 
Sep 29 2011
James Fullwood (FSU)
On Hirzebruch invariants of elliptic fibrations
Algebra and Its Applications
Time: 3:35 PM
Location: LOV 104
We consider four families of elliptic fibrations and introduce a method for computing their Hirzebruch invariants as functions of invariants of the base of the fibration. The culmination of our metho... More
 
Sep 28 2011
Dan Li (FSU)
Toric varieties
Algebraic geometry seminar
Time: 3:35pm
Location: 104 Love
Graduate students will take turns lecturing from the book by Fulton on Toric varieties.
 
Sep 27 2011
Craig A. Nolder
Theta Functions-POSTPONED for one week
Complex Analysis
Time: 3:35
Location: 200 Love
 
Sep 27 2011
Kate Petersen (FSU)
Character varities
Topology seminar
Time: 3:35pm
Location: 201 Love
 
Sep 22 2011
Paolo Aluffi (FSU)
Chern classes of hyperplane arrangements II
Algebra and Its Applications
Time: 3:35
Location: LOV 104
 
Sep 20 2011
Kate Petersen (FSU)
Character varieties
Topology seminar
Time: 3:35pm
Location: 201 Love
Abstract: I will discuss the construction of X(G), the SL(2,C) character

variety of a finitely presented group G. When G is the fundamental

group of a finite volume non-compact hyperbol... More
 
Sep 20 2011
Craig A. Nolder (FSU Math)
Weierstrass P-Function and Eisenstein Series - A Review
Complex Analysis
Time: 3:35
Location: 200 Love
 
Sep 13 2011
Russ Waller (FSU)
Some properties of flow graphs and fat graphs
Topology seminar
Time: 3:35pm
Location: 201 Love
 
Sep 13 2011
Guanghong Wang (FSU Math)
Fourier Multipliers and Dirac Operators
Complex Analysis
Time: 3:35
Location: 200 Love
 
Sep 13 2011
Eriko Hironaka (FSU)
Mixed-sign Coxeter systems and Lehmer's problem
Algebra and Its Applications
Time: 3:35 PM
Location: 104
 
Sep 8 2011
Organizational Meeting
Algebra and It's Applications
Time: 3:35
Location: LOV 104
 
Sep 6 2011
Organizational meeting : Analytic Number Theory
Complex Analysis
Time: 3:35
Location: 102 LOV
 
Aug 31 2011
Dan Li (FSU)
Toric varieties
Algebraic geometry seminar
Time: 3:35pm
Location: 104 Love
Graduate students will take turns lecturing from the book by Fulton on Toric varieties.
 
Aug 30 2011
Russ Waller (FSU)
Some properties of flow graphs and fat graphs
Topology seminar
Time: 3:35pm
Location: 201 Love
 
May 16 2011
Russ Waller (FSU)
Stability of dynamical systems
ATE presentation
Time: 3:00pm
Location: 200 Love
This talk is the ATE presentation of Russ Waller
 
Apr 21 2011
Amod Agashe (FSU)
The Birch and Swinnerton-Dyer conjecture for analytic rank one
Algebra and Its Applications
Time: 3:35 PM
Location: 104
We will recall the Birch and Swinnerton-Dyer conjecture for

elliptic curves, focusing on the case where the curve has

analytic rank one. We will describe what is known about ... More
 
Apr 20 2011
Xia Liao (FSU)
Algebraic Surfaces V
Algebraic Geometry
Time: 3:35
Location: 104
 
Apr 19 2011
Wolfgang Heil (FSU)
Manifolds of P^2-category 2
Topology and Geometry Seminar
Time: 3:35 PM
Location: LOV 104
 
Apr 14 2011
Amod Agashe (FSU)
The Birch and Swinnerton-Dyer conjecture for analytic rank one
Algebra and Its Applications
Time: 3:35 PM
Location: 104
We will recall the Birch and Swinnerton-Dyer conjecture for

elliptic curves, focusing on the case where the curve has

analytic rank one. We will describe what is known about ... More
 
Apr 13 2011
Yunyi Shen
Mod 2 degree and winding number
Informal Geometric Topology Seminar
Time: 2:30pm
Location: 200 LOV
 
Apr 13 2011
Xia Liao (FSU)
Algebraic Surfaces IV
Algebraic Geometry
Time: 3:35
Location: 104
 
Apr 12 2011
David Valdivia (FSU)
The Teichmuller polynomial for Penner's examples
Topology and Geometry Seminar
Time: 3:35 PM
Location: LOV 104
 
Apr 6 2011
Yunyi Shen
Mod 2 degree and winding number
Informal Geometric Topology Seminar
Time: 2:30pm
Location: 200 LOV
 
Apr 6 2011
James Fullwood (FSU)
Algebraic Surfaces III
Algebraic Geometry
Time: 3:35
Location: 104
 
Apr 5 2011
Ralph Wilson (Department of Mathematics, FSU)
Quantification of Dynamical Complexity from Time Series
Candidacy Exam
Time: 12:30
Location: 204B LOV
 
Apr 5 2011
Russ Waller (FSU)
The Local Unstable Manifold Theorem for a Point
Topology and Geometry Seminar
Time: 3:35
Location: LOV 104
 
Mar 28 2011
Jamil Mortada (FSU)
Artin and Dehn Twist Subgroups of the Mapping Class Group
PhD final defense
Time: 11:00am
Location: 204B Love Bldg
 
Mar 24 2011
Kate Petersen (FSU)
Artin's primitive root conjecture and the Euclidean algorithm
Algebra and Its Applications
Time: 3:35 PM
Location: 104
 
Mar 23 2011
Dan Li
Witten-Jones invariants
Informal Geometric Topology Seminar
Time: 2:30pm
Location: 200 LOV
 
Mar 23 2011
James Fullwood (FSU)
Algebraic Surfaces II
Algebraic Geometry
Time: 3:35
Location: 104
 
Mar 22 2011
Ettore Aldrovandi (FSU)
Simplicial sets and homotopy theory
Topology and Geometry Seminar
Time: 3:35 PM
Location: LOV 104
 
Mar 16 2011
Dan Li
Jones polynomials
Informal Geometric Topology Seminar
Time: 2:30pm
Location: 200 LOV
 
Mar 16 2011
James Fullwood (FSU)
Algebraic Surfaces I
Algebraic Geometry
Time: 3:35
Location: 104
 
Mar 3 2011
Kyle Armstrong (FSU)
Reflection groups
Algebra and Its Applications
Time: 3:35 PM
Location: 104
 
Mar 2 2011
Ivan Dungan (FSU)
Moduli of Curves, VI: Moduli spaces as stacks
Algebraic Geometry
Time: 3:35
Location: 104
 
Mar 2 2011
Russ Waller
Normal hyperbolicity
Informal Geometric Topology Seminar
Time: 2:30pm
Location: 200 LOV
 
Mar 1 2011
Dongxu Wang (FSU)
3-manifold of Category 3
Topology and Geometry Seminar
Time: 3:35 PM
Location: LOV 104
 
Feb 24 2011
James Fullwood (FSU)
On Generalized Sethi-Vafa-Witten Formulas
Algebra and Its Applications
Time: 3:35 PM
Location: 104
 
Feb 23 2011
Russ Waller
Normal hyperbolicity
Informal Geometric Topology Seminar
Time: 2:30pm
Location: 200 LOV
 
Feb 23 2011
James Fullwood (FSU)
Moduli of Curves, V: The Deligne-Mumford compactification
Algebraic Geometry
Time: 3:35
Location: 104
 
Feb 22 2011
Eriko Hironaka (FSU)
Coxeter elements and mapping classes
Topology and Geometry Seminar
Time: 3:35 PM
Location: LOV 104
 
Feb 17 2011
Cancelled due to Lighthill lecture
Algebra and Its Applications
Time: 3:35 PM
Location: 104
 
Feb 16 2011
(FSU)
Postponed to next week
Algebraic Geometry
Time: 3:35
Location: 104
 
Feb 16 2011
Russ Waller
Normal hyperbolicity
Informal Geometric Topology Seminar
Time: 2:30pm
Location: 200 LOV
 
Feb 15 2011
Kyounghee Kim (FSU)
Linear Fractional Recurrences: Periodicities
Topology and Geometry Seminar
Time: 3:35
Location: LOV 104
 
Feb 10 2011
Saikat Biswas (FSU)
Constructing Non-Trivial Elements of the Shafarevich-Tate Group of Abelian Varieties Over Global Fields
Algebra and Its Applications
Time: 3:35 PM
Location: 104
 
Feb 9 2011
Kyle Armstrong
Mixed Sign Coxeter Systems
Informal Geometric Topology Seminar
Time: 2:30pm
Location: 200 LOV
 
Feb 9 2011
Vivek Pal (FSU)
Moduli of Curves, IV: Basics on the moduli space
Algebraic Geometry
Time: 3:35
Location: 104
 
Feb 3 2011
Saikat Biswas (FSU)
Constructing Non-Trivial Elements of the Shafarevich-Tate Group of Abelian Varieties Over Global Fields
Algebra and Its Applications
Time: 3:35 PM
Location: 104
 
Feb 2 2011
Kyle Armstrong
Mixed Sign Coxeter Systems
Informal Geometric Topology Seminar
Time: 2:30pm
Location: 200 LOV
 
Feb 2 2011
Dan Li (FSU)
Moduli of Curves, III: More on the Hilbert scheme
Algebraic Geometry
Time: 3:35
Location: 107
 
Feb 1 2011
Jamil Mortada (FSU)
Subgroups of Mod(S) generated by three Dehn twists
Topology and Geometry Seminar
Time: 3:35
Location: LOV 104
 
Jan 27 2011
Randy Heaton (FSU)
An Algorithm for Finding Congruence Primes Between an Elliptic Curve and the Old Space
Algebra and Its Applications
Time: 3:35 PM
Location: 104
 
Jan 26 2011
David Valdivia
Fundamental groups of Penner-type mapping tori
Informal Geometric Topology Seminar
Time: 2:30pm
Location: 200 LOV
 
Jan 26 2011
Xia Liao (FSU)
Moduli of Curves, II: Parameter spaces, II
Algebraic Geometry
Time: 3:35
Location: 107
 
Jan 25 2011
Kate Petersen (FSU)
Arithmetic Groups and Hyperbolic Geometry II
Topology and Geometry Seminar
Time: 3:35
Location: LOV 104
 
Jan 20 2011
Paolo Aluffi (FSU)
Verdier Specialization
Algebra and Its Applications
Time: 3:35 PM
Location: 104
 
Jan 19 2011
David Valdivia
Fundamental groups of Penner-type mapping tori
Informal Geometric Topology Seminar
Time: 2:30pm
Location: 200 LOV
 
Jan 19 2011
Xia Liao (FSU)
Moduli of Curves, I: Parameter spaces
Algebraic Geometry
Time: 3:35
Location: 107
 
Jan 18 2011
Kate Petersen (FSU)
Arithmetic Groups and Hyperbolic Geometry I
Topology and Geometry Seminar
Time: 3:35
Location: LOV 104
 
Jan 13 2011
Organizational Meeting
Algebra and Its Applications
Time: 3:35 PM
Location: 104
 
Jan 12 2011
Eriko Hironaka
Organizational Meeting
Informal Geometric Topology Seminar
Time: 2:30pm
Location: 200 LOV
 
Jan 12 2011
Organizational Meeting
Algebraic Geometry
Time: 3:35
Location: 107
 
Jan 11 2011
Organizational Meeting
Topology and Geometry Seminar
Time: 3:35
Location: LOV 104
 
Dec 2 2010
Vivek Pal (FSU)
Periods of quadratic twists of elliptic curves
Algebra and its applications
Time: 3:35pm
Location: 104 Love
 
Dec 1 2010
Xia Liao (FSU)
Curves, XII: Problem session
Algebraic Geometry
Time: 3:35
Location: 104
 
Nov 30 2010
Eko Hironaka (FSU)
Coxeter graphs associated to small dilatation mapping classes
Topology Seminar
Time: 3:35pm
Location: 201 Love
 
Nov 18 2010
Gregory (Ivan) Dungan (FSU)
The Classical Approach to Stacks Followed by the Modern Homotopic Approach
Algebra and its applications
Time: 3:35pm
Location: 104 Love
 
Nov 17 2010
Dan Li (FSU)
Curves, XI: Classification of space curves
Algebraic Geometry
Time: 3:35
Location: 104
 
Nov 17 2010
Eriko Hironaka
Foliations on Fibered faces
Informal Geometric Topology Seminar
Time: 1:15pm
Location: 200 LOV
 
Nov 10 2010
Eriko Hironaka
Foliations on Fibered faces
Informal Geometric Topology Seminar
Time: 1:15pm
Location: 200 LOV
 
Nov 10 2010
John George (FSU)
Curves, X: Canonical embedding, II
Algebraic Geometry
Time: 3:35
Location: 104
 
Nov 9 2010
Aaron Valdivia (FSU)
Asymptotic behavior for pseudo-Anosov mapping classes
Topology seminar
Time: 3:35pm
Location: 201 Love
 
Nov 4 2010
James Fullwood (FSU)
Geometrization of the Weak Coupling Limit of F-theory
Algebra and its applications
Time: 3:35pm
Location: 104 Love
 
Nov 3 2010
John George (FSU)
Curves, IX: Canonical embedding, I
Algebraic Geometry
Time: 3:35
Location: 104
 
Nov 2 2010
Aaron Valdivia (FSU)
Asymptotic Behavior for pseudo Anosov mapping classes
Topology seminar
Time: 3:35pm
Location: 201 Love
 
Nov 2 2010
Dan Li
The Noncommutative Torus
Informal Geometric Topology Seminar
Time: 1:15pm
Location: 200 LOV
 
Oct 28 2010
Ugo Bruzzo (SISSA and U. Penn.)
Uhlenbeck-Donaldson Compactification for Framed Sheaves
Algebra and its applications
Time: 3:35pm
Location: 104 Love
 
Oct 27 2010
Dan Li
The Noncommutative Torus
Informal Geometric Topology Seminar
Time: 1:15pm
Location: 200 LOV
 
Oct 27 2010
James Fullwood (FSU)
Curves, VIII: Elliptic curves, II
Algebraic Geometry
Time: 3:35
Location: 104
 
Oct 26 2010
Jamil Mortada (FSU)
Embeddings of A(A~n-1) into Mod(S)
Topology seminar
Time: 3/35pm
Location: 201 Love
 
Oct 21 2010
Nelson Colon (FSU)
Modular forms/functions and their relation with arithmetic functions in number theory - II
Algebra and its applications
Time: 3:35pm
Location: 104 Love
 
Oct 20 2010
James Fullwood (FSU)
Curves, VII: Elliptic curves, I
Algebraic Geometry
Time: 3:35
Location: 104
 
Oct 19 2010
Jamil Mortada (FSU)
Embeddings of A(A~n-1) into Mod(S)
Topology seminar
Time: 3:35pm
Location: 201 Love