Accurately and quickly calculating the weighted spectral distribution

Accurately and quickly calculating the weighted spectral distribution
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准确快速计算加权光谱分布

DOI:
10.1007/s11235-015-0077-7
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发表时间:
2015-07
影响因子:
2.5
通讯作者:
Jing Du
Jing Du
中科院分区:
计算机科学4区
文献类型:
--
作者:
Bo Jiao;Yuanping Nie;Jianmai Shi;Gang Lu;Ying Zhou;Jing Du

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加权谱分布(WSD)是在归一化拉普拉斯谱上定义的度量。它可以用来比较不同规模(节点数)的复杂网络,并提供了一个敏感的判别复杂网络的结构鲁棒性。本文利用图结构的特点,设计了一种精确计算大规模复杂网络中WSD的算法。作为西尔维斯特惯性定律在基于谱特征的WSD计算中的推广,该算法在应用于大规模复杂网络时具有更高的时间效率.
The weighted spectral distribution (WSD) is a measure defined on the normalized Laplacian spectrum. It can be used for comparing complex networks with different sizes (number of nodes) and provides a sensitive discrimination of the structural robustness of complex networks. In this paper, we design an algorithm for the accurate calculation of the WSD in large-scale complex networks by utilizing characteristics of the graph structure. As an extension to Sylvester’s Law of Inertia for the calculation of the WSD based on spectral characteristics, our algorithm exhibits a higher time efficiency when applied to large-scale complex networks.
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