Who's talking first? Consensus or lack thereof in coevolving opinion formation models

We investigate different opinion formation models on adaptive network topologies. Depending on the dynamical process, rewiring can either (i) lead to the elimination of interactions between agents in different states, and accelerate the convergence to a consensus state or break the network in nonint...

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Bibliographic Details
Published in:Physical review letters 2008-04, Vol.100 (15), p.158701-158701, Article 158701
Main Authors: Nardini, Cecilia, Kozma, Balázs, Barrat, Alain
Format: Article
Language:English
Subjects:
Condensed Matter
Models, Theoretical
Physics
Physics and Society
Social Sciences - methods
Social Support
Statistical Mechanics
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Summary:We investigate different opinion formation models on adaptive network topologies. Depending on the dynamical process, rewiring can either (i) lead to the elimination of interactions between agents in different states, and accelerate the convergence to a consensus state or break the network in noninteracting groups or (ii), counterintuitively, favor the existence of diverse interacting groups for exponentially long times. The mean-field analysis allows us to elucidate the mechanisms at play. Strikingly, allowing the interacting agents to bear more than one opinion at the same time drastically changes the model's behavior and leads to fast consensus.
ISSN:0031-9007
1079-7114
DOI:10.1103/PhysRevLett.100.158701