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Título: | Epidemic threshold in structured scale-free networks |
Autor: | Eguíluz, Víctor M. ![]() |
Palabras clave: | [PACS] Networks and genealogical trees [PACS] Diseases [PACS] Dynamics of social systems [PACS] World Wide Web, Internet |
Fecha de publicación: | 16-ago-2002 |
Editor: | American Physical Society |
Citación: | Physical Review Letters 89(10): 108701 (2002) |
Resumen: | We analyze the spreading of viruses in scale-free networks with high clustering and degree correlations, as found in the Internet graph. For the susceptible-infected-susceptible model of epidemics the prevalence undergoes a phase transition at a finite threshold of the transmission probability. Comparing with the absence of a finite threshold in networks with purely random wiring, our result suggests that high clustering (modularity) and degree correlations protect scale-free networks against the spreading of viruses. We introduce and verify a quantitative description of the epidemic threshold based on the connectivity of the neighborhoods of the hubs. |
Descripción: | 4 pages, 4 figures.-- PACS nrs.: 89.75.Hc, 87.19.Xx, 87.23.Ge, 89.20.Hh.-- Printed version published Sep 2, 2002. ArXiv pre-print available at: http://arxiv.org/abs/cond-mat/0205439 |
Versión del editor: | http://dx.doi.org/10.1103/PhysRevLett.89.108701 |
URI: | http://hdl.handle.net/10261/15328 |
DOI: | 10.1103/PhysRevLett.89.108701 |
ISSN: | 0031-9007 |
Aparece en las colecciones: | (IFISC) Artículos |
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