FUNDAMENTALNAYA I PRIKLADNAYA MATEMATIKA

(FUNDAMENTAL AND APPLIED MATHEMATICS)

2005, VOLUME 11, NUMBER 4, PAGES 33-48

The genus of G-spaces and topological lower bounds for chromatic numbers of hypergraphs

A. Yu. Volovikov

Abstract

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Lower bounds for chromatic numbers of hypergraphs via genus and cohomological index of special complexes (Hom- and JHom-complexes) are given.

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Last modified: November 28, 2005