date 
speaker 
affiliation 
title (click for an abstract) 
January 26
 June Huh 
UIUC 
Representable homology classes in the
product of projective spaces 
February 1 (Tuesday) AH 241, 3pm
 Philippe
Di Francesco 
CEA Saclay

Proof of the Alternating Sign
Matrix/Descending Plane Partition conjecture

February 9
 Bruce Reznick 
UIUC 
Apolarity, steampunk canonical forms and
the obvious inner product (a
preliminary report) 
February 23
 Steven Sam 
MIT 
Schubert complexes and degeneracy
loci 
March 16
 Hamid Kulosman 
University of Louisville 
Zerodivisor graphs of some special
semigroups 
March 23
 No Seminar 
Spring Break 

March 26 (Saturday)
 J. Validashti, J. Lipman, E. Mukhin, D. Anderson 
Location: Purdue University 
Algebra,
Geometry and Combinatorics Day 
March 30, 2pm, location: 7 Illini Hall
 Russ Woodroofe 
Washington University in St. Louis 
ErdKoRado Theorems for simplicial
complexes 
March 30, 3pm
 Daniel Morton 
UIUC 
GKM Manifolds With Low Betti
Numbers 
April 6
 Jeb Willenbring

University of Wisconsin  Milwaukee 
Graph Coverings, Quantum Entanglement, and
Invariant Theory

April 13
 Kevin Purbhoo

University of Waterloo 
Wronskians and the Cyclic Sieving
Phenomenon 
April 20
 Bruce Reznick 
UIUC 
Apolarity, steampunk canonical forms and
the obvious inner product  April remix 
May 18, 12pm, AH 241
 Graham
Denham 
University of Western Ontario 
The ubiquitous characteristic
polynomial 