April 15	Jeffrey Doker, UC Berkeley (webpage: http://math.berkeley.edu/~doker/ ) Volumes of matroid polytopes.
	April 22	Christopher Manon, University of Maryland (webpage: http://www.math.umd.edu/ ) Semigroup algebras of weighted trees.
	April 27	Glenn Tesler, University of California, San Diego (webpage: http://www-cse.ucsd.edu/~gptesler/ ) Distribution of Segment Lengths in Genome Rearrangements.
	April 29	Anton Dochtermann, Technical University of Berlin (webpage: http://www.math.tu-berlin.de/~dochterm/ ) Coarse tropical type decompositions and associated cellular resolutions.
	May 6	Eran Nevo, Cornell University (webpage: http://www.math.cornell.edu/~eranevo/ ) Missing faces and generalized lower bounds on face numbers.
	May 13	Stephanie Vance, University of Washington (webpage: http://www.math.washington.edu/~slvance/ ) Lattices and Sphere Packings in Euclidean space.
	May 27	Chris Fox, University of Washington (webpage: http://www.washington.edu ) [Preseminar only] Mathematics of polymers.
	June 3	Nathan Reading, North Carolina State University (webpage: http://www4.ncsu.edu/~nreadin/ ) Noncrossing partitions and the shard intersection order.
	June 10	Kurt Luoto, University of Washington (webpage: http://students.washington.edu/kwluoto/ ) Quasisymmetric functions and their applications.
	June 17	Ed Swartz, Cornell University (webpage: http://www.math.cornell.edu/~ebs/ ) Face numbers of simplicial manifolds with boundary.
	June 24	Matthew Macauley, Clemson University (webpage: http://www.math.clemson.edu/~macaule/ ) The conjugacy graph of a Coxeter group.