Mixing beliefs among interacting agents

Guillaume Deffuant, David Neau, Frederic Amblard and Gérard Weisbuch ()
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Guillaume Deffuant: Laboratoire d'Ingénierie pour les Systèmes Complexes (LISC), Cemagref - Grpt de Clermont-Ferrand, 24 Av. des Landais - BP50085, F-63172 Aubière Cedex, France
David Neau: Laboratoire de Physique Statistique (Laboratoire associé au CNRS (URA 1306), à 1'ENS et aux Universités Paris 6 et Paris 7), de l'Ecole Normale Supérieure, 24 rue Lhomond, F 75231 Paris Cedex 5, France
Frederic Amblard: Laboratoire d'Ingénierie pour les Systèmes Complexes (LISC), Cemagref - Grpt de Clermont-Ferrand, 24 Av. des Landais - BP50085, F-63172 Aubière Cedex, France
Gérard Weisbuch: Laboratoire de Physique Statistique (Laboratoire associé au CNRS (URA 1306), à 1'ENS et aux Universités Paris 6 et Paris 7), de l'Ecole Normale Supérieure, 24 rue Lhomond, F 75231 Paris Cedex 5, France

Advances in Complex Systems (ACS), 2000, vol. 03, issue 01n04, 87-98

Abstract: We present a model of opinion dynamics in which agents adjust continuous opinions as a result of random binary encounters whenever their difference in opinion is below a given threshold. High thresholds yield convergence of opinions towards an average opinion, whereas low thresholds result in several opinion clusters: members of the same cluster share the same opinion but are no longer influenced by members of other clusters.

Date: 2000
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DOI: 10.1142/S0219525900000078

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