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Influence complex network centrality on disaster spreading

Li Ze-Quan Zhang Rui-Xin Yang Zhao Zhao Hong-Ze Yu Jian-Hao

Influence complex network centrality on disaster spreading

Li Ze-Quan, Zhang Rui-Xin, Yang Zhao, Zhao Hong-Ze, Yu Jian-Hao
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  • Abstract views:  3847
  • PDF Downloads:  970
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Publishing process
  • Received Date:  28 April 2012
  • Accepted Date:  18 June 2012
  • Published Online:  05 December 2012

Influence complex network centrality on disaster spreading

  • 1. School of Resource and Safety Engineering, China University of Mining and Technology (Beijing), Beijing 100083, China;
  • 2. Communication and Information Center, State Administration of Work Safety, Beijing 100013, China
Fund Project:  Project supported by the National Natural Science Foundation of China (Grant No. 91024029).

Abstract: Based on a general dynamical model for disaster spreading, in different network structures, i.e. in Erdos-Renyi network, scale-free network and small world network, the influences of network centrality on the speed and trend of disaster spreading are analyzed by simulation. By changing the initial spreading condition, the influence of initial state on the spreading efficiency is analyzed. In this paper the differences between final disaster spreading state are mainly discussed based on four initial vertex-choosing strategies. For the four strategies, it is shown that there are apparent differences. Complex network has a strong ability to resist random attacks but is is fragile to resist intentional attacks. However, the three networks show different degrees of fragility. And then, the theoretical analysis results are verified in an actual network.

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