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  • 标题:Bounded Confidence Model with Fixed Uncertainties and Extremists: The Opinions Can Keep Fluctuating Indefinitely
  • 本地全文:下载
  • 作者:Jean-Denis Mathias ; Sylvie Huet ; Guillaume Deffuant
  • 期刊名称:Journal of Artificial Societies and Social Simulation
  • 印刷版ISSN:1460-7425
  • 出版年度:2016
  • 卷号:19
  • 期号:1
  • 页码:1-16
  • DOI:10.18564/jasss.2967
  • 出版社:University of Surrey, Department of Sociology
  • 摘要: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.
  • 关键词:Bounded Confidence Model; Opinion Dynamics; Noise; Fluctuations; Extremists
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