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Please use this identifier to cite or link to this item: http://hdl.handle.net/10373/1033

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Title: Synergy in spreading processes: from exploitative to explorative foraging strategies
Authors: Perez-Reche, Francisco J.
Ludlam, Jonathan J.
Taraskin, Sergei N.
Gilligan, Christopher A.
Affiliation: University of Abertay Dundee. School of Contemporary Sciences
University of Abertay Dundee. Scottish Informatics, Mathematics, Biology and Statistics Centre
Keywords: Epidemics
Synergy
Foraging strategies
Invasion
Issue Date: May-2011
Publisher: American Physical Society
Type: Journal Article
Refereed: peer-reviewed
Rights: This is the author's final version of this article. Published version (c)American Physical Society, available from http://dx.doi.org/10.1103/PhysRevLett.106.218701
Citation: Perez-Reche, F.J., et al. 2011. Synergy in spreading processes: from exploitative to explorative foraging strategies. Physical Review Letters. 106(21). Available from http://link.aps.org/doi/10.1103/PhysRevLett.106.218701
Abstract: An epidemiological model which incorporates synergistic effects that allow the infectivity and/or susceptibility of hosts to be dependent on the number of infected neighbours is proposed. Constructive synergy induces an exploitative behaviour which results in a rapid invasion that infects a large number of hosts. Interfering synergy leads to a slower and sparser explorative foraging strategy that traverses larger distances by infecting fewer hosts. The model can be mapped to a dynamical bond-percolation with spatial correlations that affect the mechanism of spread but do not influence the critical behaviour of epidemics.
URI: http://hdl.handle.net/10373/1033
ISSN: 0031-9007
Appears in Collections:SIMBIOS Collection

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