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arXiv 0912.4307physics.soc-phcond-mat.stat-mechmath-phmath.MP
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复杂网络节点中心性和脆弱性的振动方法

A Vibrational Approach to Node Centrality and Vulnerability in Complex Networks

Ernesto Estrada, Naomichi Hatano

摘要:

我们提出了一个新的措施,在复杂网络中的节点的脆弱性。该措施是基于类比,其中网络的节点表示球和链接识别弹簧。我们定义的措施作为节点位移,或振动的幅度,每个节点,波动下,由于热浴中,网络应该是淹没。我们证明了这样定义的节点位移,信息中心性和基尔霍夫指数之间的确切关系。前两者之间的关系表明,节点位移比信息中心度具有更好的脆弱性分辨率,因为后者是局部节点位移和整个网络上平均的节点位移的总和。

英文摘要:

We propose a new measure of vulnerability of a node in a complex network. The measure is based on the analogy in which the nodes of the network are represented by balls and the links are identified with springs. We define the measure as the node displacement, or the amplitude of vibration of each node, under fluctuation due to the thermal bath in which the network is supposed to be submerged. We prove exact relations among the thus defined node displacement, the information centrality and the Kirchhoff index. The relation between the first two suggests that the node displacement has a better resolution of the vulnerability than the information centrality, because the latter is the sum of the local node displacement and the node displacement averaged over the entire network.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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