Parameterized clique on inhomogeneous random graphs
Parameterized clique on inhomogeneous random graphs
复制标题
非齐次随机图上的参数化团
DOI:
10.1016/j.dam.2014.10.018
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发表时间:
2015
期刊:
影响因子:
--
通讯作者:
A. Krohmer
中科院分区:
文献类型:
--
作者:
T. Friedrich;A. Krohmer
Finding cliques in graphs is a classical problem which is in general NP-hard and parameterized intractable. In typical applications like social networks or biological networks, however, the considered graphs are scale-free, ie, their degree sequence follows a power law. Their specific structure can be algorithmically exploited and makes it possible to solve clique much more efficiently. We prove that on inhomogeneous random graphs with n nodes and power law exponent β, cliques of size k can be found in time O (n) for β≥ 3 and in time O (n e k 4) for 2< β< 3.
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