Estimating the epidemic threshold on networks by deterministic connections

K. Li, X. Fu, Michael Small, G. Zhu

    Research output: Contribution to journalArticlepeer-review

    4 Citations (Scopus)
    204 Downloads (Pure)


    © 2014 AIP Publishing LLC. For many epidemic networks some connections between nodes are treated as deterministic, while the remainder are random and have different connection probabilities. By applying spectral analysis to several constructed models, we find that one can estimate the epidemic thresholds of these networks by investigating information from only the deterministic connections. Nonetheless, in these models, generic nonuniform stochastic connections and heterogeneous community structure are also considered. The estimation of epidemic thresholds is achieved via inequalities with upper and lower bounds, which are found to be in very good agreement with numerical simulations. Since these deterministic connections are easier to detect than those stochastic connections, this work provides a feasible and effective method to estimate the epidemic thresholds in real epidemic networks.
    Original languageEnglish
    Pages (from-to)1-10
    Issue number4
    Early online date12 Nov 2014
    Publication statusPublished - Dec 2014


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