On pinning synchronisability of complex networks with arbitrary topological structure

Jiahu Qin, Wei Zheng and Huijun Gao

International Journal of Systems Science, 2011, vol. 42, issue 9, 1559-1571

Abstract: This article aims to investigate the pinning synchronisability of complex networks under arbitrary topological structures with a focus on the case with directed graph topology. More specifically, we explore the necessary and sufficient conditions on choosing the pinned nodes to guarantee the pinning synchronisability of complex networks. It is found that the pinning synchronisability of complex networks relies totally on the way to pin the nodes as long as the coupling strength is large enough. Furthermore, it is proven that the entire network can synchronise exponentially fast. The least synchronisation speed can be specified as well. Finally, based on the theoretical findings proposed in this article, we provide the specific procedures for finding a least number of pinned nodes to realise the pinning synchronisability of complex networks.

Date: 2011
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DOI: 10.1080/00207721.2011.555014

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