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arXiv 1609.04880cs.SIphysics.data-anphysics.soc-ph
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网络上SIS流行病过程的灭绝概率

Die-out Probability in SIS Epidemic Processes on Networks

Qiang Liu, Piet Van Mieghem

摘要:

本文给出了网络上SIS流行过程的灭绝概率的精确近似公式。该公式只包含三个基本参数:网络邻接矩阵的最大特征值、病毒的有效感染率和网络中初始感染节点数。比较了完全图、Erdens-Rényi图和幂律图中的灭绝概率公式与精确灭绝概率。此外,作为一个例子,该公式被应用到$N$ -Interceptible平均场近似,显式地纳入消亡。

英文摘要:

An accurate approximate formula of the die-out probability in a SIS epidemic process on a network is proposed. The formula contains only three essential parameters: the largest eigenvalue of the adjacency matrix of the network, the effective infection rate of the virus, and the initial number of infected nodes in the network. The die-out probability formula is compared with the exact die-out probability in complete graphs, Erdős-Rényi graphs, and a power-law graph. Furthermore, as an example, the formula is applied to the $N$-Intertwined Mean-Field Approximation, to explicitly incorporate the die-out.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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