date	speaker	affiliation	title (click for an abstract)
September 18	Jeffrey Lagarias	U. Michigan	Ternary expansions of powers of 2
September 25	Frank Sottile	Texas A&M	Orbitopes
October 2	Ilia Itenberg	Strasbourg	Tropical Welschinger invariants
October 9	Benjamin Howard	U. Michigan	The relations among invariants of points on the projective line
October 16	no seminar		Fall break
October 23	Sergey Fomin	U. Michigan	Enumeration of plane curves and labeled floor diagrams
October 30	Steven Pon	UC Davis	Affine Stanley symmetric functions
November 6	Sami Assaf	MIT	Affine dual equivalence and symmetric functions
November 13	Shmuel Friedland	UIC	Matchings, permanents and their random approximations
November 20	Alan Stapledon	MSRI	Kneser's theorem and inequalities in Ehrhart theory
November 27	no seminar		Thanksgiving
December 4	Karola Meszaros	MIT	Branched polymers and hyperplane arrangements
December 11	Harm Derksen	U. Michigan