date	speaker	affiliation	title (click for an abstract)
August 31	Aaron Abrams	MSRI/Emory University	Configuration spaces and braid groups of graphs
September 7	Nick Proudfoot	MSRI/U. Texas	Equivariant topology of real hyperplane arrangements
September 14	Mark de Longueville	Freie Universitaet Berlin	Cohomology rings of subspace arrangements
September 21	Giulio Caviglia	MSRI/UC Berkeley	An introduction to Koszul algebras (followed by discussion of Koszulness of Pinched Veronese)
September 30 (note special day!)	Paul Hacking	MSRI/Yale	Moduli spaces of arrangements
October 5	No seminar -- topology workshop
October 12	Daniel Matei	MSRI	Arrangements of planes in R^4
October 19	Simona Settepanella	MSRI/Universita di Pisa	Salvetti's complex and cohomology of Braid arrangements with local coefficients
October 26	Patricia Hersh	MSRI/Indiana University-Bloomington	Discrete Morse theory for poset order complexes and a GL_n(F_q) analogue of the partition lattice
November 2	No seminar -- combinatorics workshop
November 9	Sergi Elizalde	MSRI	Refined enumeration of pattern-avoiding permutations
November 16	Kevin Woods	UC Berkeley	Counting with generating functions
November 23	Helene Barcelo (in lieu of postdoc seminar)	Arizona State	A discrete homotopy theory for graphs and simplicial complexes
November 30	David Speyer	UC Berkeley	Tropical linear spaces
December 7	Luis Garcia	MSRI/Texas A and M	Minimal Cohen-Macaulay deformations of matroid ideals