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MIT Combinatorics Seminar Schedule (Fall 2006 )
Sept. 13: Benny Sudakov (Princeton University)
Expansion of H-Free Graphs and its Applications
Sept. 20: Sergi Elizalde (Dartmouth University)
A Bijection Between 2-Triangulations and Pairs of Non-Crossing Dick Paths
Sept. 27: Thomas Lam (Harvard Unviversity)
Tableaux and Insertion for Affine Schubert Calculus
Sept. 29: Izzet Coskun (MIT)
Positivity in the Cohomology of Homogeneous Varieties
Oct. 4: Jakob Jonsson (MIT)
Homology of the Matching Complex
Oct. 6: Jason Morton(University of California Berkeley)
Semigraphoids and the Permutohedron
Oct. 11: Karl Mahlburg (MIT)
The Andrews-Garvan-Dyson Crank and Partition Congruences
Oct. 18: Uli Wagner (Hebrew University of Jerusalem)
On a Geometric Generalization of the Upper Bound Theorem
Oct. 25: Boris Aronov (Brooklyn Polytechnic University)
Unions of Objects
Oct. 27: Alexander Yong (Minnesota/Fields Institute)
A Combinatorial Rule for (co)Minuscule Schubert Calculus
Nov. 1: Todd Kemp (MIT)
Haagerup's Inequality and Free Cumulants
Nov. 3: Terada Itaru (University of Tokyo)
The Jordan Type of Nilpotent Matrices With Certain Constraints
Nov. 8: Ezra Miller (University of Minnesota and Ann Arbor)
Hypergeometric Series and Binomial Primary Decomposition
Nov. 15: Barry Monson (UNB and Northeastern University)
Symmetric Graphs and Polytopes
Nov. 16: Bettina Speckmann (Eindhoven)
Kinetic Collision Detection for Convex Fat Objects
Nov. 17: Sylvie Corteel (CNRS and Universite Paris-Sud)
Permutation tableaux and the partially asymmetric exclusion process
Nov. 29: Dan Romik (Bell Laboratories)
Random Sorting Networks
Dec. 1: Sami Assaf (UC Berkeley)
Dual equivalence graphs, ribbon tableaux and Macdonald polynomials
Dec. 6: Mihai Ciucu (Georgia Tech)
The emergence of the electrostatic field as a Feynman sum in random tilings with holes
Dec. 8: David Speyer (University of Michigan)
Polyhedral geometry of Cambrian lattices