September 13, 4:10-5 pm	Matthew Stover	Expander Graphs
September 20, 4:10-5 pm	Stephen DeBacker	Proofs without Words
September 27, 4:10-5 pm	Jeffrey Lagarias	The ABC Conjecture
October 4, 4:10-5 pm	Zachary Scherr	Equally Spaced Perfect Squares
October 11, 4:10-5 pm	Harm Derksen	Brick Packings
October 18, 4:10-5 pm	Michael Zieve	Reducibility of Polynomials
October 25, 4:10-5 pm	Lydia Bieri	The Expanding Universe
November 1, 4:10-5 pm	Joseph Marker	Putting a Price Tag on Risk
November 8, 4:10-5 pm	Cynthia Vinzant	Fractals and fractal dimensions
November 15, 4:10-5 pm	Silas Alben	What is an Optimal Fish Fin?
November 22, 4:10-5 pm	[No Meeting]	Thanksgiving
November 29, 4:10-5 pm	Roman Vershynin	Geometry of Information
December 6, 4:10-5 pm	Mattias Jonsson	Non-Archimedean Geometry