A Two-Stage Contact Process on Scale-Free Networks

被引：0
|
作者：
Yan Li
Dong Han
机构：
[1] Shanghai Jiao Tong University,Department of Mathematics
[2] Shanghai University of Electric Power,School of Mathematics and Physics
来源：
Journal of Statistical Physics | 2013年 / 153卷
关键词：
Contact process; Metastable density; Scale-free networks; Random graphs;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
We study a two-stage contact process on scale-free networks as a model for the spread of epidemics. We show that any virus starting from a single vertex with arbitrarily small infection rates can last for a super-polynomial time with positive probability if the power law exponent α>2. This is in sharp contrast with the mean-field analysis. The estimation of the metastable density is also provided.
引用
收藏
页码：312 / 324
页数：12
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