Computing the Partition Function for Cliques in a Graph

Computing the Partition Function for Cliques in a Graph
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计算图中团的配分函数

DOI:
10.4086/toc.2015.v011a013
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发表时间:
2014
期刊:
Theory Comput.
影响因子:
--
通讯作者:
A. Barvinok
A. Barvinok
中科院分区:
--
文献类型:
--
作者:
A. Barvinok

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我们提出了一种确定性算法,给定一个有 n 个顶点和整数 1 0 的图 G 是绝对常数:我们可以选择 gamma=0.06,如果 n > 4m 且 m > 10,我们可以选择 gamma=0.18。这使我们能够区分不具有 m 个高密度子集的图和具有足够多 m 个高密度子集的图,即使随机命中这样一个子集的概率在 m 中呈指数级小。
We present a deterministic algorithm which, given a graph G with n vertices and an integer 1 0 is an absolute constant: we can choose gamma=0.06, and if n > 4m and m > 10, we can choose gamma=0.18. This allows us to tell apart the graphs that do not have m-subsets of high density from the graphs that have sufficiently many m-subsets of high density, even when the probability to hit such a subset at random is exponentially small in m.