The UC Berkeley Combinatorics Seminar
Fall 2004 and Spring 2005: time Mondays 2-3PM, place: 939 Evans Hall

date speaker affiliation title (click for an abstract)
September 13
Seth Sullivant UC Berkeley Finiteness theorems for Markov bases of hierarchical models
September 20
Persi Diaconis Stanford The "Birthday Problem" and Chromatic Polynomials
September 27
Anne Schilling UC Davis X=M for symmetric powers
October 4
Christopher Hillar UC Berkeley Finite Generation of Symmetric Ideals in a countable number of variables
October 11
Greg Blekherman U. Michigan Nonnegative Polynomials and Sums of Squares
October 18
Brian Rothbach UC Berkeley The Combinatorics of the Borel orbit structure of $X^2=0$ in $sl_n$
October 25
Tony Mendes Cal Poly Using symmetric functions to find generating functions
November 1
Alexander Postnikov M.I.T. Permutohedra, associahedra, and beyond
(!!) November 3 (!!)
Mike Develin American Institute of Mathematics A new proof of Stanley's reciprocity theorem
November 8
Jason Bell U. Michigan Some new methods in the theory of quasi-invariants
November 15
Thomas Lam M.I.T. Affine Stanley symmetric functions
November 22
Esther Lamken Caltech/UC Berkeley Scheduling CCRR tournaments
November 29
No seminar.
December 6
Nantel Bergeron York University Combinatorial Hopf Algebra and representations
January 31
Nat Thiem Stanford University Unipotent Hecke algebras
(!!) February 1 (!!)
Christopher Hanusa University of Washington A Gessel-Viennot-Type Method for Cycle Systems
February 14
Elwyn Berlekamp UC Berkeley Combinatorial Games
(!!) February 24 (!!)
Ezra Miller U. Minnesota Balls of tableaux and words in Coxeter groups
February 28
Fu Liu MIT (k,m)-Catalan Numbers and Hook Length Polynomials for Trees
(!!) March 1 (!!)
Nathan Reading U. Michigan Clusters, c-sortable elements and noncrossing partitions
March 7
Dan Romik MSRI The limit shape of random square Young tableaux
(!!) March 9 (!!)
Van Vu UC San Diego New results on random matrices
March 14
Steven Butler UC San Diego On permutations which are 1324 and 2143 avoiding
March 28
Roman Vershynin UC Davis Geometric perspective of error correcting codes
April 5
Yuval Roichman Bar Ilan University/UC San Diego Abstract Young Tableaux
April 11
Mihai Ciucu Georgia Tech A random tiling model for two dimensional electrostatics
May 2
Aaron Siegel UC Berkeley Lattices of Partizan Games

The seminar co-organizers are Alexander Woo , Kevin Woods , and Alexander Yong.