FSUMATH

Seminars for Pure Mathematics


Apr 26
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
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
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
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
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
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
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
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
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
Jay Leach (FSU Math)
Surfaces, Symmetries and the Character Variety
Topology and Geometry
Time: 3.35PM
Location: 201
 
Mar 22
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
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
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
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
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
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
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
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
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
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
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
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
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
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
(FSU)
Organizational Meeting
Algebra seminar
Time: 3:35pm
Location: 104 Love