Coloring nearly-disjoint hypergraphs with n + o(n) colors

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Abstract

It is shown that the chromatic index of a nearly-disjoint hypergraph on n vertices is at most n + o(n). This is an approximate version of the well-known conjecture of Erdős, Faber, and Lovász stating that the chromatic index is at most n.

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Supported in part by NSF DMS.87-83558 and AFOSR Grants 89-0066, 89-0512, and 90-0008.