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On polyhedra arising in Combinatorial representation theory
Algebra & Discrete Mathematics| Speaker: | Jesus A. De Loera, UC Davis, Mathematics |
| Location: | 593 Kerr |
| Start time: | Thu, Apr 17 2003, 12:10PM |
There is a well-established tradition of geometric methods in combinatorial representation theory (Gelfand, Zelevinsky, Littelman, Pak, etc). In this talk we follow this and we discuss a counterexample to a conjecture of Berenstein and Kirillov on Kostka numbers and Gelfand-Tsetlin patterns. This is joint work with Tyrrell McAllister.