Zero knowledge and the chromatic number
Journal of Computer and System Sciences - Eleventh annual conference on structure and complexity 1996
A sharp threshold for k-colorability
Random Structures & Algorithms
Almost all graphs with average degree 4 are 3-colorable
Journal of Computer and System Sciences - STOC 2002
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In this paper we study the chromatic number χ(Gn,p) of the binomial random graph Gn,p, where p = p(n) ≤ n-3/4-δ, for every fixed δ 0. We prove that a.a.s. χ(Gn,p) is l, l + 1, or l + 2, where l is the maximum integer satisfying 2(l - 1) log(l - 1) ≤ np.