The chromatic number of the Kneser graph

Imre Barany

To appear at Formal Power Series and Algebraic Combinatorics (FPSAC01), Tempe, Arizona (USA), May 20-24, 2001


There exist several different proofs for Kneser's conjecture. Almost all of them use topology. In this talk I will explain some of the proofs, the ideas behind them, and further applications of algebraic topology in combinatorics and geometry.
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