Abstract In some real complex networks, only a few nodes can obtain the global information about the entire networks, but most of the nodes own only local connections therefore own only local information of the networks. A new local-world evolving network model is proposed in this paper. In the model, not all the nodes obtain local network information, which is different from the local world network model proposed by Li and Chen (LC model). In the LC model, each node has only the local connections therefore owns only local information about the entire networks. Theoretical analysis and numerical simulation show that adjusting the ratio of the number of nodes obtaining the global information of the network to the total number of nodes can effectively control the valuing range for the power-law exponent of the new network. Therefore, if the topological structure of a complex network, especially its exponent of power-law degree distribution, needs controlling, we just add or take away a few nodes which own the global information of the network.
Received: 15 May 2008
Revised: 18 September 2008
Accepted manuscript online:
Fund: Project supported by
the Scientific Research Starting Foundation of Hangzhou Dianzi
University (Grant No KYS091507073) and partly by the National High
Technology Research and Development Program of China
(Grant No 2005AA147030).
Cite this article:
Qin Sen(覃森) and Dai Guan-Zhong(戴冠中) A new local-world evolving network model 2009 Chin. Phys. B 18 383
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