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Communication Dans Un Congrès Année : 2014

Bounded confidence model with fixed uncertainties and extremists: the opinions can keep fluctuating indefinitely

Le modèle de confiance bornée avec des incertitudes fixes et des extrêmistes: les opinions peuvent changer indéfiniment

Résumé

The bounded confidence model and its variants applied to moderate and extremist agents exhibit three types of attractors: central clusters, double extreme and single extreme clusters. These attractors are observed when the models include a dynamics on the uncertainties tending to decrease the moderate uncertainties when interacting with extremists. We show here that a new stationary state appears when the uncertainties are fixed, for large uncertainties of the moderates. In this stationary state, the opinions of moderate agents keep fluctuating without clustering, altogether forming a stable density which shape changes significantly when the parameters vary.
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Dates et versions

hal-02600222 , version 1 (16-05-2020)

Identifiants

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Jean-Denis Mathias, S. Huet, Guillaume Deffuant. Bounded confidence model with fixed uncertainties and extremists: the opinions can keep fluctuating indefinitely. 5th World Conference on Social Simulation (WCSS), Nov 2014, Sao Paulo, Brazil. pp.12. ⟨hal-02600222⟩
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