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https://locus.ufv.br//handle/123456789/13032
Tipo: | Artigo |
Título: | Effects of local population structure in a reaction-diffusion model of a contact process on metapopulation networks |
Autor(es): | Mata, Angélica S. Ferreira, Silvio C. Pastor-Satorras, Romualdo |
Abstract: | We investigate the effects of local population structure in reaction-diffusion processes representing a contact process (CP) on metapopulations represented as complex networks. Considering a model in which the nodes of a large scale network represent local populations defined in terms of a homogeneous graph, we show by means of extensive numerical simulations that the critical properties of the reaction-diffusion system are independent of the local population structure, even when this one is given by a ordered linear chain. This independence is confirmed by the perfect matching between numerical critical exponents and the results from a heterogeneous mean-field theory suited, in principle, to describe situations of local homogeneous mixing. The analysis of several variations of the reaction-diffusion process allows us to conclude the independence from population structure of the critical properties of CP-like models on metapopulations, and thus of the universality of the reaction-diffusion description of this kind of models. |
Palavras-chave: | Effects of local population structure Reaction-diffusion model Metapopulation networks |
Editor: | Physical Review E |
Tipo de Acesso: | Open Access |
URI: | https://doi.org/10.1103/PhysRevE.88.042820 http://www.locus.ufv.br/handle/123456789/13032 |
Data do documento: | 30-Out-2013 |
Aparece nas coleções: | Artigos |
Arquivos associados a este item:
Arquivo | Descrição | Tamanho | Formato | |
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1305.4965.pdf | texto completo | 423,74 kB | Adobe PDF | Visualizar/Abrir |
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