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arxiv: cond-mat/0407278 · v1 · submitted 2004-07-11 · ❄️ cond-mat.dis-nn · cond-mat.stat-mech· math.CO· math.PR

The Chromatic Number of Random Regular Graphs

classification ❄️ cond-mat.dis-nn cond-mat.stat-mechmath.COmath.PR
keywords chromaticnumberintegerrandomd-regulareithergivengraph
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Given any integer d >= 3, let k be the smallest integer such that d < 2k log k. We prove that with high probability the chromatic number of a random d-regular graph is k, k+1, or k+2, and that if (2k-1) \log k < d < 2k \log k then the chromatic number is either k+1 or k+2.

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