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Epidemic Threshold in Temporal Multiplex Networks With Individual Layer Preference
IEEE Transactions on Network Science and Engineering ( IF 6.7 ) Pub Date : 2021-01-28 , DOI: 10.1109/tnse.2021.3055352
Cong Li , Yuan Zhang , Xiang Li

Many efforts have been devoted to understanding how human behaviors induced by the awareness of disease influence the epidemic dynamics in multiplex networks. The awareness and virus spreading is mostly studied with the unaware-aware-unaware-susceptible-infected-susceptible (UAU-SIS) model over a given and fixed (static) network. However, the role of the spatial-temporal properties of multiplex networks to the epidemic spreading is not fully understood. In this work, a temporal multiplex network consists of a static information spreading network and a temporal physical contact network with a layer-preference walk. Defining the tendency of aware nodes moving to a specified layer as the layer preference, we focus on two scenarios: (i) the layer preference is constant, (ii) the layer preference is a function of the degree of nodes in the information layer. We deduce the epidemic threshold of such a temporal multiplex network, and validate it through numerical simulations. Moreover, we find that the epidemic threshold decreases with the decrease of the effective information spreading rate and the increase of the layer preference. Furthermore, we find that when the node with a higher degree displays a higher layer preference, the spreading process on the network is remarkably promoted. The findings shed a new light on the control of the epidemic spreading process.

中文翻译:

具有单个层优先级的时间复用网络中的流行阈值

人们已经做出了许多努力来了解由疾病意识引起的人类行为如何影响多重网络中的流行病动态。意识和病毒传播主要是通过给定且固定的(静态)网络上的无意识,无意识,易感染,易感染(UAU-SIS)模型进行的。但是,尚未充分了解多重网络的时空特性对流行病传播的作用。在这项工作中,时间多路复用网络由静态信息传播网络和具有层优先遍历的时间物理联系网络组成。定义感知节点移动到指定层作为层优先级的趋势,我们关注两种情况:(i)层优先级是恒定的,(ii)层优先级是信息层中节点程度的函数。我们推导了这种时间复用网络的流行阈值,并通过数值模拟对其进行了验证。此外,我们发现流行阈值随着有效信息传播率的降低和层优先级的增加而降低。此外,我们发现,当度数较高的节点显示较高的层优先级时,可以显着促进网络上的扩展过程。这些发现为控制流行病传播过程提供了新的思路。我们发现流行阈值随着有效信息传播率的降低和层优先级的增加而降低。此外,我们发现,当度数较高的节点显示较高的层优先级时,可以显着促进网络上的扩展过程。这些发现为控制流行病传播过程提供了新的思路。我们发现,随着有效信息传播率的降低和层优先级的提高,流行阈值也随之降低。此外,我们发现,当度数较高的节点显示较高的层优先级时,可以显着促进网络上的扩展过程。这些发现为控制流行病传播过程提供了新的思路。
更新日期:2021-03-19
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