date	speaker	affiliation	title (possibly click for an abstract)
Fall Semester
September 9	No seminar
September 16	Anne Sinko	College of St. Benedict and St. John's University	Colored-independence in Graphs
September 21 (unusual time)	Anne Schilling	UC Davis	Crystal energies via the charge in types A and C
September 30	Steven Sam	MIT	Counting matrices over finite fields
October 7	Gregg Musiker	University of Minnesota	Bases for Cluster Algebras from surfaces without punctures
October 14	David Bressoud	Macalester College	Sign Variations on the Macdonald Identities
October 21	Spencer Backman	Georgia Tech	Chip-Firing and Riemann-Roch Theory for Directed Graphs
October 28	Julianna Tymoczko	University of Iowa	Regular nilpotent Hessenberg varieties
November 4	Zoltán Füredi	UIUC and Renyi Institute	Superimposed codes and hypergraphs containing no grids
November 11	Mike Weimerskirch	Augsburg College	Sturmian Words and k-Wythoff Nim
November 18	Yuji Kodama	Ohio State	KP solitons and real Grassmannians
November 25	No seminar- Thanksgiving holiday
December 2	David Wilson	Microsoft Research	Spanning trees of graphs on surfaces & intensity of loop-erased random walk on Z^2
December 9	Max Glick	University of Michigan	On singularity confinement for the pentagram map
December 16	No seminar -- final exams
Spring Semester
January 27	Vic Reiner	University of Minnesota	Antichains in minuscule posets
February 3	Jia Huang	University of Minnesota	0-Hecke algebra actions on polynomials
February 10	Ben Brubaker	MIT	Tokuyama's Deformation of the Weyl Character Formula
February 17	Kevin Dilks	University of Minnesota	Involutions on Baxter Objects
February 24	Dylan C Rupel	University of Oregon	Quantum Cluster Characters
March 2	Michael Shapiro	Michigan State	Pentagram map
March 9	Tom Halverson	Macalester College	SL(2) centralizers
March 16	No seminar-- Spring Break
March 23	Dmytro Bilyk	University of Minnesota	Combinatorial and geometric discrepancy
March 30	Alex Csar	University of Minnesota	Right arm rotation and a subposet of the Tamari lattice
April 6	Andy Berget	UC Davis	Cutting out a projective equivalence class
April 13	Peter McNamara	Bucknell Univ.	The Mobius function of generalized subword order
April 20	Hugh Thomas	University of New Brunswick	Triangulations of cyclic polytopes from the point of view of cluster theory
April 27	Jeremy Martin	University of Kansas	Cellular Cuts, Flows, Critical Groups, and Cocritical Groups
May 4	Alex Miller	University of Minnesota	Reflection arrangements and ribbon representations
May 11	No seminar-- final exams