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The coupled awareness-epidemic dynamics with individualized self-initiated awareness in multiplex networks

传输(电信) 情感(语言学) 马尔可夫链 计算机科学 形势意识 自我意识 动力学(音乐) 点(几何) 心理学 社会心理学 电信 工程类 数学 机器学习 教育学 几何学 沟通 航空航天工程
作者
Wei Zhang,Yixuan Ye,Zongyi Li,Jiajun Xian,Teng Wang,Dandan Liu,Die Hu,Ming Liu
出处
期刊:Frontiers in Physics [Frontiers Media SA]
卷期号:12 被引量:1
标识
DOI:10.3389/fphy.2024.1437341
摘要

The outbreak of an epidemic often stimulates the generation of public awareness about epidemic prevention. This heightened awareness encourages individuals to take proactive protective measures, thereby curbing the transmission of the epidemic. Previous research commonly adopts an assumption that each individual has the same probability of awakening self-protection awareness after infection. However, in the real-world process, different individuals may generate varying awareness responses due to the differences in the amount of information received. Therefore, in this study, we first propose a coupled awareness-epidemic spreading model, where the self-initiated awareness of each individual can be influenced by the number of aware neighbors. Subsequently, we develop a Micro Markov Chain Approach to analyze the proposed model and explore the effects of different dynamic and structural parameters on the coupled dynamics. Findings indicate that individual awareness awakening can effectively promote awareness diffusion within the proposed coupled dynamics and inhibit epidemic transmission. Moreover, the influence of awareness diffusion on epidemic transmission exhibits a metacritical point, from which the epidemic threshold increases with the increase in the awareness diffusion probability. The research findings also suggest that the increase in the average degree of virtual-contact networks can reduce the value of the metacritical point, while the change in the average degree of the physical-contact networks does not affect the metacritical point. Finally, we conduct extensive experiments on four real networks and obtain results consistent with the above conclusions. The systematic research findings of this study provide new insights for exploring the interaction between individual awareness and epidemic transmission in the real world.
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