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Discrete opinion dynamics with M choices

  • André C. R. MartinsEmail author
Regular Article

Abstract

Here, I study how to obtain an opinion dynamics model for the case where there are M possible discrete choices and there is a need to model how strong each agent choice is. The new model is obtained as an extension of the Continuous Opinions and Discrete Actions (CODA) model. Technical difficulties with the choice of proper variables for a simple model are solved. For the symmetrical case, a dimensionless model is found. However, when analyzing the results, a change of variables seems to be required for ease of interpretation. Extremism is observed, generated by the local reinforcement of opinions inside domains of agents with the same choice.

Graphical abstract

Keywords

Statistical and Nonlinear Physics 

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Copyright information

© EDP Sciences / Società Italiana di Fisica / Springer-Verlag GmbH Germany, part of Springer Nature 2020

Authors and Affiliations

  1. 1.NISC – EACH – Universidade de São PauloSão PauloBrazil

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