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

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

List of Talks given in 2004-05

Tuesday, September 7   Brendan Owens, Cornell University
A generalization of a theorem of Elkies
Tuesday, September 14   Martin Kassabov, Cornell University
Computing Kazhdan constants
Tuesday, September 21   Dan Margalit, University of Utah
Weil-Petersson isometries are mapping classes
Tuesday, September 28   Jason Behrstock, Columbia University
Asymptotic geometry of the mapping class group and Teichm�ller space
Tuesday, October 5   Tara Brendle, Cornell University
Commensurations of the Johnson kernel
Tuesday, October 19   Christophe Pittet, Universit� de Marseille
Random walks on compactly generated groups
Tuesday, October 26   Azer Akhmedov, University of California, Santa Barbara
Quasi-isometric rigidity in group varieties
Tuesday, October 26   Martin Bridson, Imperial College, London
On the geometry and complexity of balanced presentations of groups
Tuesday, November 2   Nathalie Wahl, University of Aarhus (Denmark)
Mapping class groups and automorphisms of free groups
Tuesday, November 9   Indira Chatterji, Cornell University
On a characterization of hyperbolic spaces
Tuesday, November 16   Aaron Heap, University of Rochester
Bordism invariants of the mapping class group
Tuesday, November 23   Walter Neumann, Columbia University
Three-manifolds of splice type
Tuesday, November 30   David Rosenthal, St. John's University
On the algebraic K- and L-theory of word hyperbolic groups
Thursday, December 2   Martin Scharlemann, University of California, Santa Barbara
Proximity in the curve complex: boundary reduction and bicompressible surfaces
Friday, February 4   Dylan Thurston, Harvard University
How efficiently do 3-manifolds bound 4-manifolds?
Tuesday, February 8   Martin Kassabov, Cornell University
New examples of groups with property tau
Tuesday, February 15   Kevin Wortman, Cornell University
An infinite solvable group with small quasi-isometry group
Tuesday, March 1   Joe Coffey, New York University
Failure of parametric H-principle for maps with prescribed Jacobian
Tuesday, March 8   Alireza Salehi-Golsefidy, Yale University
Lattices of minimum covolume in classical Chevalley groups over F_q(1/t)
Tuesday, March 15   Tim Riley, Yale University
Intrinsic versus extrinsic diameter in finitely presented groups
Tuesday, March 29   Martin Kassabov, Cornell University
Symmetric groups and expanders
Tuesday, April 5   Joseph Masters, SUNY at Buffalo
Quasi-Fuchsian surfaces in hyperbolic knot manifolds
Tuesday, April 12   Gregory Bell, Pennsylvania State University
Asymptotic dimension of groups
Thursday, April 21   Angela Barnhill, Ohio State University
Global fixed points for actions of Coxeter groups on CAT(0) spaces
Tuesday, April 26   James Belk, Cornell University
The Grigorchuk group
Thursday, April 28   Mark Sapir, Vanderbilt
Hilbert space compression
Thursday, May 5   Dan Margalit, University of Utah
Finiteness properties of the Torelli group for Out(F_3)