Impact of density-dependent migration flows on epidemic outbreaks in heterogeneous metapopulations
dc.contributor.author
dc.date.accessioned
2015-09-21T06:58:20Z
dc.date.available
2015-09-21T06:58:20Z
dc.date.issued
2015-08-12
dc.identifier.issn
1539-3755
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dc.description.abstract
We investigate the role of migration patterns on the spread of epidemics in complex networks. We enhance the SIS-diffusion model on metapopulations to a nonlinear diffusion. Specifically, individuals move randomly over the network but at a rate depending on the population of the departure patch. In the absence of epidemics, the migration-driven equilibrium is described by quantifying the total number of individuals living in heavily or lightly populated areas. Our analytical approach reveals that strengthening the migration from populous areas contains the infection at the early stage of the epidemic. Moreover, depending on the exponent of the nonlinear diffusion rate, epidemic outbreaks do not always occur in the most populated areas as one might expect
dc.description.sponsorship
This work is partially supported by grants MINECO MTM2011-27739-C04-03 and MTM2014-52402-C3-3-P (Spain). The authors are members of the research group 2014SGR-1083 of the Generalitat de Catalunya.
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application/pdf
dc.language.iso
eng
dc.publisher
American Physical Society
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info:eu-repo/grantAgreement/MICINN//MTM2011-27739-C04-03/ES/MODELIZACION MATEMATICA, BIOLOGIA TEORICA Y REDES COMPLEJAS/
info:eu-repo/grantAgreement/MINECO//MTM2014-52402-C3-3-P/ES/MODELIZACION MATEMATICA, BIOLOGIA TEORICA Y REDES COMPLEJAS/
AGAUR/2014-2016/2014 SGR-1083
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Reproducció digital del document publicat a: http://dx.doi.org/10.1103/PhysRevE.92.022809
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© Physical Review E. Statistical, Nonlinear, and Soft Matter Physics, 2015, vol. 92, núm. 2, p. 022809
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Articles publicats (D-IMA)
dc.rights
Tots els drets reservats
dc.subject
dc.title
Impact of density-dependent migration flows on epidemic outbreaks in heterogeneous metapopulations
dc.type
info:eu-repo/semantics/article
dc.rights.accessRights
info:eu-repo/semantics/embargoedAccess
dc.embargo.terms
Cap
dc.date.embargoEndDate
info:eu-repo/date/embargoEnd/2026-01-01
dc.type.version
info:eu-repo/semantics/publishedVersion
dc.identifier.doi
dc.identifier.idgrec
023571
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dc.relation.ProjectAcronym
dc.identifier.eissn
1550-2376