Discrete Geometry and Combinatorics Seminar

Discrete Geometry and Combinatorics Seminar

List of Talks given in 2004-05

Wednesday, September 1   Joseph Zaks, Haifa, Israel
On the rational case of the Beckman-Quarles theorem and on the rational dimension of rationalizable sets
Wednesday, September 8   Robert Connelly, Cornell University
The 4-color theorem and rigidity
Wednesday, September 15   Maria Sloughter, Cornell University
Realizability of graphs in 3-space: the hard cases
Wednesday, September 22   Edward Swartz, Cornell University
Geometric lattices, supersolvable lattices, and spherical buildings
Wednesday, September 29   Greg Kuperberg, University of California at Davis and Cornell University
Numerical cubature from geometry and coding theory
Wednesday, October 20   Benjamin Howard, University of Maryland
Duality of coxeter matroids
Wednesday, October 27   Jay Schweig, Cornell University
The h-vector of supersolvable lattice
Wednesday, November 3   Balazs Csikos, Eötvös University
On a problem set of M. Kneser
Thursday, November 4   Aladar Heppes, Eötvös University
Helly theorems with line transversals
Wednesday, November 10   Patricia Hersh, MSRI and Indiana University at Bloomington
A GL_n(F_q) analogue of the partition lattice and discrete Morse theory for poset order complexes
Wednesday, November 17   William Schmitt, George Washington University
The free product of matroids
Friday, December 3   Ricky Pollack, New York University
A new methodology in geometric transversal theory
Wednesday, February 2   Rena Zieve, University of California at Davis and Cornell University
Packing fractions and stability angles in granular heaps
Wednesday, February 9   Tom Zaslavsky, SUNY Binghamton
The associative law in multary quasigroups
Wednesday, February 16   Franco Saliola, Cornell University
Face algebras of hyperplane arrangements, lattice cohomology and quivers
Wednesday, February 23   Edward Swartz, Cornell University
Face count on manifolds
Wednesday, March 2   Russ Woodroofe, Cornell University
Groups, posets, and shellings
Wednesday, March 9   Rigoberto Florez, SUNY Binghamton
A conjecture of Lindstrom on a class of algebraically non-representable matroids
Wednesday, March 16   David Forge, Orsay and SUNY Binghamton
Orlik-Solomon algebras and other algebras of hyperplane arrangements
Wednesday, April 6   Drew Armstrong, Cornell University
Catalan combinatorics of finite Coxeter groups
Wednesday, April 13   Kristin Camenga, Cornell University
Angle sums on polytopal complexes
Friday, April 22   Wlodek Kuperberg, Auburn University
Cylindrical partitions of complex bodies
Wednesday, April 27   Aleksandar Donev, Princeton University
Jammed packings of hard ellipsoids
Monday, May 2   Marcelo Aguiar, Texas A&M University
Factorization of Hopf algebra characters