Combinatorial & Algebraic Geometry Seminar

Mon., September 11		Richard Ehrenborg, Cornell University Juggling and the affine Weyl group �N
Mon., September 18		Margaret Readdy, Cornell University Sheffer posets and r-signed permutations
Mon., September 25		Louis Billera, Cornell University Enumeration of faces and flags in polytopes
Mon., October 2		Michael Stillman, Cornell University Macaulay 2: the next generation
Thu., October 12		Glenn Tesler, San Diego Semi-primary lattices and Sch�tzenberger�s evacuation algorithm
Mon., October 30		Eko Hironaka, University of Toronto Alexander stratifications for fundamental groups of algebraic varieties
Mon., November 6		Eric Babson, Cornell University The parity of f-vectors in cubated spheres
Mon., November 13		Mark Gross, Cornell University Primitive Calabi-Yau threefolds
Mon., November 20		Moss Sweedler, Cornell University A fixed point (of) view for Sylow and Borel
Mon., May 13		Keiji Oguiso, University of Tokyo Fibered Calabi-Yau threefolds of non-positive second Chern class