The combinatorics seminar at KTH

Spring 2009

Jan 14 Liza Huijse, Amsterdam What can cohomology tell us about many-particle quantum systems?
Jan 28 Per Austrin, KTH Approximability and unique games
Feb 4 Ralf Fröberg, SU Koszul algebras
Mar 18 Svante Janson, Uppsala Graph limits and exchangeable infinite random graphs
Apr 20 Christos Athanasiadis, Athens The absolute order on a finite Coxeter group
Apr 29 Anders Claesson, Reykjavík (2+2)-free posets, ascent sequences and pattern avoiding permutations
Apr 30 Brian Hopkins, Saint Peter's College Bulgarian solitaire and related operations on partitions
May 6 Vic Reiner, Minnesota Diameter of the graph of reduced words
May 20 Benjamin Nill, FU Berlin Hollow lattice polytopes and Ehrhart theory
May 27 Patrik Norén and
Rafael Gonzalez D'Leon
Master thesis presentations
Jun 3 Gil Kalai, Hebrew U A mathematical dialogue in discrete geometry with Jürgen Eckhoff
Jun 10 Andrzej Rucinski, Poznan Dirac type problems for hypergraphs

Upcoming and recent seminars

Past seminars

The combinatorics group in Stockholm