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Absence of epidemic threshold in scale free networks with degree correlations

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dc.creator Boguñá, Marián
dc.creator Pastor-Satorras, R. (Romualdo), 1967-
dc.creator Vespignani, Alessandro, 1965-
dc.date 2010-07-05T08:32:21Z
dc.date 2010-07-05T08:32:21Z
dc.date 2003
dc.date.accessioned 2024-12-16T10:24:16Z
dc.date.available 2024-12-16T10:24:16Z
dc.identifier 0031-9007
dc.identifier http://hdl.handle.net/2445/13251
dc.identifier 514080
dc.identifier.uri http://fima-docencia.ub.edu:8080/xmlui/handle/123456789/17383
dc.description Random scale-free networks have the peculiar property of being prone to the spreading of infections. Here we provide for the susceptible-infected-susceptible model an exact result showing that a scale-free degree distribution with diverging second moment is a sufficient condition to have null epidemic threshold in unstructured networks with either assortative or disassortative mixing. Degree correlations result therefore irrelevant for the epidemic spreading picture in these scale-free networks. The present result is related to the divergence of the average nearest neighbors degree, enforced by the degree detailed balance condition.
dc.format 4 p.
dc.format application/pdf
dc.language eng
dc.publisher American Physical Society
dc.relation Reproducció digital del document proporcionada per PROLA i http://dx.doi.org/10.1103/PhysRevLett.90.028701
dc.relation Physical Review Letters, 2003, vol. 90, núm. 2, p. 028701-1-028701-4
dc.relation http://dx.doi.org/10.1103/PhysRevLett.90.028701
dc.rights (c) American Physical Society, 2003
dc.rights info:eu-repo/semantics/openAccess
dc.source Articles publicats en revistes (Física de la Matèria Condensada)
dc.subject Mecànica estadística
dc.subject Física estadística
dc.subject Statistical mechanics
dc.subject Statistical physics
dc.title Absence of epidemic threshold in scale free networks with degree correlations
dc.type info:eu-repo/semantics/article
dc.type info:eu-repo/semantics/publishedVersion


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