Expose-and-merge exploration and the chromatic number of a random graph

Expose-and-merge exploration and the chromatic number of a random graph
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暴露和合并探索以及随机图的色数

DOI:
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发表时间:
1987
期刊:
Comb.
影响因子:
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通讯作者:
D. Matula
D. Matula
中科院分区:
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文献类型:
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作者:
D. Matula

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摘要提出了一种探索随机图的暴露合并范式。描述了一个复杂度no (logn)算法,并用于证明任意边概率为0<p<1的随机图的色数落在区间内 $$\left[ {\left( {\frac{1}{2} - \varepsilon } \right)\log (1/(1 - p))\frac{n}{{\log n}}, \left( {\frac{2}{3} + \varepsilon } \right)\log (1/(1 - p))\frac{n}{{\log n}}} \right]$$ 概率接近于单位asn→∞。
AbstractThe expose-and-merge paradigm for exploring random graphs is presented. An algorithm of complexitynO(logn) is described and used to show that the chromatic number of a random graph for any edge probability 0<p<1 falls in the interval $$\left[ {\left( {\frac{1}{2} - \varepsilon } \right)\log (1/(1 - p))\frac{n}{{\log n}}, \left( {\frac{2}{3} + \varepsilon } \right)\log (1/(1 - p))\frac{n}{{\log n}}} \right]$$ with probability approaching unity asn→∞.