Commenced in January 2007
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A Preliminary Study on Effects of Community Structures on Epidemic Spreading and Detection in Complex Networks

Authors: Yi Yu, Gaoxi Xiao


Community structures widely exist in almost all real-life networks. Extensive researches have been carried out on detecting community structures in complex networks. However, many aspects of how community structures may affect the dynamics and properties of complex networks still remain unclear. In this work, we examine the impacts of community structures on the epidemic spreading and detection in complex networks. Extensive simulation results show that community structures may not help decrease the infection size at steady state, yet they could indeed help slow down the infection spreading. Also, networks with strong community structures may expect to have a smaller average infection size when equipped with a number of sparsely deployed monitors.

Keywords: complex network, epidemic spreading, infection size, infection monitoring

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