Volume 79, Number 3, August 2007
|Number of page(s)||5|
|Section||Interdisciplinary Physics and Related Areas of Science and Technology|
|Published online||16 July 2007|
Modular effects on epidemic dynamics in small-world networks
State Key Laboratory of Rail Traffic Control and Safety, School of Traffic and Transportation, Beijing Jiaotong University - Beijing, 100044, PRC
Accepted: 14 June 2007
Many real-world networks are characterized by modular structure. In this letter, modular effects on epidemic spreading of susceptible-infected-refractory-susceptible (SIRS) model in small-world networks are investigated. Simulation results show that, together with the disorder of the inter-module connections and mean degree of the system the modular structure may affect the synchronization behavior in propagation. More importantly, it is found that the interplay between mean degree and modular structure may lead to a nonmonotone variation of the synchronization behavior in the system.
PACS: 89.75.Hc – Networks and genealogical trees / 87.23.Ge – Dynamics of social systems / 87.19.Xx – Diseases
© Europhysics Letters Association, 2007
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