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Título: | The noisy voter model on complex networks |
Autor: | Carro, Adrián CSIC ORCID; Toral, Raúl CSIC ORCID ; San Miguel, Maxi CSIC ORCID | Fecha de publicación: | 2016 | Editor: | Springer Nature | Citación: | Scientific Reports 6: 24775 (2016) | Resumen: | We propose a new analytical method to study stochastic, binary-state models on complex networks. Moving beyond the usual mean-field theories, this alternative approach is based on the introduction of an annealed approximation for uncorrelated networks, allowing to deal with the network structure as parametric heterogeneity. As an illustration, we study the noisy voter model, a modification of the original voter model including random changes of state. The proposed method is able to unfold the dependence of the model not only on the mean degree (the mean-field prediction) but also on more complex averages over the degree distribution. In particular, we find that the degree heterogeneity—variance of the underlying degree distribution—has a strong influence on the location of the critical point of a noise-induced, finite-size transition occurring in the model, on the local ordering of the system, and on the functional form of its temporal correlations. Finally, we show how this latter point opens the possibility of inferring the degree heterogeneity of the underlying network by observing only the aggregate behavior of the system as a whole, an issue of interest for systems where only macroscopic, population level variables can be measured. | Versión del editor: | http://dx.doi.org/10.1038/srep24775 | URI: | http://hdl.handle.net/10261/134150 | DOI: | 10.1038/srep24775 | ISSN: | 2045-2322 |
Aparece en las colecciones: | (IFISC) Artículos |
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noisy_voter_model_Carro.pdf | 920,08 kB | Adobe PDF | Visualizar/Abrir |
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