Volume 119, Number 4, August 2017
|Number of page(s)||7|
|Published online||06 November 2017|
The relationship between the topology and synchronizability of partially interdependent networks
1 College of Sicence, Wuhan University of Science and Technology - Wuhan 430081, China
2 Hubei Province Key Laboratory of Systems Science in Metallurgical Process, Wuhan University of Science and Technology - Wuhan 430081, China
Received: 29 July 2017
Accepted: 6 October 2017
Based on the master stability function method, some theoretical results are derived for the synchronizability of partially interdependent networks. For bounded and unbounded synchronous regions and three different kinds of inter-coupling, we illustrate how factors of the topology can affect the synchronizability of networks with a Barabási-Albert (BA) scale-free and a Newman-Watts (NW) small-world subnet (simplified here as BA-NW network) and networks with a BA scale-free and a nearest-neighbor (NN) subnet (BA-NN network), respectively. When only the scale of the networks is increased, the synchronizability systematically reduces. If only increasing the inter-coupling strength or the number of interdependent nodes, the synchronizability keeps improving. Generally, we find that BA-NW networks have better synchronizability than BA-NN networks and positively correlated coupling is the best interconnection. Random inter-coupling, by contrast, is the best choice for BA-NN networks.
PACS: 05.45.Xt – Synchronization; coupled oscillators / 89.75.Hc – Networks and genealogical trees
© EPLA, 2017
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