Topology & Geometric Group Theory Seminar (MATH 755-756)

Topology & Geometric Group Theory Seminar (MATH 755-756)

List of Talks given in 2006-07

Tuesday, September 5   Martin Kassabov, Cornell University
Cartesian products as profinite completions and representation growth of groups
Tuesday, September 12   Collin Bleak, Binghamton University and Cornell University
Some questions about the dimension of an action
Tuesday, September 19   Alex Gamburd, University of California at Santa Cruz
Uniform spectral gap bounds in SL_2 and SU(2)
Thursday, September 21   Indira Chatterji, Ohio State University
A characterization of hyperbolicity
Tuesday, October 3   Denis Osin, CCNY
Cut points in asymptotic cones of finitely generated groups
Thursday, October 12   Jim Conant, University of Tennessee
Ornate necklaces and the homology of the genus of one mapping class group
Tuesday, October 17   Jason Manning, SUNY at Buffalo
A coarse geometric Dehn filling theorem
Thursday, October 19   Justin Moore, Boise State University
A solution to the L space problem
Tuesday, October 24   Gabriela Schmithüsen, Universität Karlsruhe (TH) and Cornell University
Veech groups and Teichmüller curves of origamis
Tuesday, October 31   Peter Samuelson, Cornell University
On CAT(0) structures for free-by-cyclic groups
Tuesday, November 7   Christophe Pittet, Université de Marseille and Cornell University
Bounded 2-cocycles in Lie groups
Tuesday, November 14   Karen Vogtmann, Cornell University
Outer space for right-angled Artin groups
Tuesday, November 21   Collin Bleak, Binghamton University and Cornell University
Structure theorems for groups of homeomorphisms of the circle
Tuesday, November 28   Dan Farley, Miami University
The action of Thompson's group F on a CAT(0) boundary
Tuesday, December 5   Peter Brinkmann, CCNY
Algorithmically improving train tracks
Thursday, February 1   Anna Wienhard, University of Chicago
Foliated projective structures and Teichmüller components for PSL(4,R)
Tuesday, February 6   Murray Elder, Stevens Institute of Technology
Asymptotic properties of subgroups of Thompson's group F
Thursday, February 8   Anne Thomas, University of Chicago
Lattices acting on polyhedral complexes
Tuesday, February 20   Andrew Putnam, University of Chicago
An infinite presentation of the Torelli group
Tuesday, February 27   Gabriel Picioroaga, Binghamton University
Some properties of exact groups
Tuesday, March 6   James Parkinson, Cornell University
The affine Grassmannian and alcove walks
Tuesday, March 13   Seonhee Lim, Notre Dame University
Volume entropy of hyperbolic buildings
Thursday, March 15   Alexander Ushakov, Stevens Institute of Technology
Algorithmic problems in the Baumslag-Gersten group
Tuesday, March 27   Martin Hamilton, University of Glasgow
Finitary group cohomology and group actions on spheres
Thursday, April 5   James Belk, Texas A&M University
Conjugacy and dynamics in Thompson’s groups
Thursday, April 12   Genevieve Walsh, Tufts University
Commensurability classes of 2-bridge knots
Tuesday, April 17   Adam Piggott, Tufts University
On the automorphisms of a graph product of cyclic groups
Tuesday, April 24   Marco Varisco, Binghamton University
Algebraic K-theory of group rings and topological cyclic homology
Tuesday, May 1   Matthew G. Brin, Binghamton University
Operads, fractions, Thompson groups and categories with multiplication
Thursday, May 3   Dylan Thurston, Columbia University
Combinatorial Heegard-Floer homology for knots via grid diagrams
Wednesday, June 6   Frank Herrlich, Universität Karlsruhe
p-adic Techmüller space and a map to outer space