Effects of degree correlation on the controllability of networks

Qingying Miao, Zhihai Rong, Yang Tang and Jianan Fang

Physica A: Statistical Mechanics and its Applications, 2008, vol. 387, issue 24, 6225-6230

Abstract: In this paper, we investigate the effects of degree correlation on the controllability of undirected networks with different degree-mixing patterns based on simulation analysis. Considering random pinning, max-degree pinning and mix-degree pinning, some relevance factors on controllability such as the control gain and the number of pinned nodes are discussed in detail. It is found that disassortative mixing enhances the network controllability contrast to assortative mixing, to which the network controllability is sensible. Furthermore, too large or too low value of the feedback gain can reduce the controllability. From the viewpoint of practical application, mix-degree pinning strategy is suggested in assortative network, while in disassortative network, max-degree pinning scheme is better than random pinning.

Keywords: Complex network; Degree correlation; Pinning control; Controllability (search for similar items in EconPapers)
Date: 2008
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:387:y:2008:i:24:p:6225-6230

DOI: 10.1016/j.physa.2008.06.041

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