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Dynamical immunization based on random-walk in time-varying networks

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  • Wang, Bing
  • Zeng, Hongjuan
  • Han, Yuexing

Abstract

Random-walk describes a simple diffusion process, through which nodes with the larger degree will be traversed with high probability. Thus, it can be applied to the design of immunization strategies for the control of epidemics. As the interaction of individuals dynamically evolves with time, the network information obtained for immunization is limited and dependent on time. In this work, we propose a dynamical immunization method based on the random-walk process in activity-driven (AD) time-varying networks. With the mean-field theory, the epidemic threshold under the random-walk immunization can be effectively predicted. In particular, the role of the immunization observation time, during which the nodes information is measured for the design of immunization strategies is clarified. Simulation experiments show that the accuracy of the predicted threshold strongly depends on the fraction of immunized nodes as well as the immunization observation time. The comparison of the random walk immunization with several classical immunization strategies verifies that random walk immunization is comparable to the acquaintance strategy both in AD networks and in real networks. Our results provide helpful indications for the design of immunization strategies in time-varying networks.

Suggested Citation

  • Wang, Bing & Zeng, Hongjuan & Han, Yuexing, 2022. "Dynamical immunization based on random-walk in time-varying networks," Chaos, Solitons & Fractals, Elsevier, vol. 155(C).
  • Handle: RePEc:eee:chsofr:v:155:y:2022:i:c:s0960077921011097
    DOI: 10.1016/j.chaos.2021.111755
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    References listed on IDEAS

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    1. Karimi, Fariba & Ramenzoni, Verónica C. & Holme, Petter, 2014. "Structural differences between open and direct communication in an online community," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 414(C), pages 263-273.
    2. NingNing Dong & YueXing Han & Qing Li & Bing Wang, 2019. "Impacts of multitype interactions on epidemic spreading in temporal networks," International Journal of Modern Physics C (IJMPC), World Scientific Publishing Co. Pte. Ltd., vol. 31(01), pages 1-13, December.
    3. Han, Dun & Sun, Mei & Li, Dandan, 2015. "Epidemic process on activity-driven modular networks," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 432(C), pages 354-362.
    4. Mei Yang & Bing Wang & Yuexing Han, 2019. "Joint effect of individual’s memory and attractiveness in temporal network on spreading dynamics," International Journal of Modern Physics C (IJMPC), World Scientific Publishing Co. Pte. Ltd., vol. 30(01), pages 1-13, January.
    5. Carol Y. Lin, 2008. "Modeling Infectious Diseases in Humans and Animals by KEELING, M. J. and ROHANI, P," Biometrics, The International Biometric Society, vol. 64(3), pages 993-993, September.
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    Cited by:

    1. Ma, Jinlong & Wang, Peng, 2024. "Impact of community networks with higher-order interaction on epidemic dynamics," Chaos, Solitons & Fractals, Elsevier, vol. 180(C).

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