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Discrete opinion dynamics with M choices

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  • André C. R. Martins

    (NISC – EACH – Universidade de São Paulo)

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

Suggested Citation

  • André C. R. Martins, 2020. "Discrete opinion dynamics with M choices," The European Physical Journal B: Condensed Matter and Complex Systems, Springer;EDP Sciences, vol. 93(1), pages 1-10, January.
    • Handle: RePEc:spr:eurphb:v:93:y:2020:i:1:d:10.1140_epjb_e2019-100298-3
    DOI: 10.1140/epjb/e2019-100298-3
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    Cited by:

    1. Agnieszka Kowalska-Styczeń & Krzysztof Malarz, 2020. "Noise induced unanimity and disorder in opinion formation," PLOS ONE, Public Library of Science, vol. 15(7), pages 1-22, July.
    2. Martins, André C.R., 2022. "Extremism definitions in opinion dynamics models," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 589(C).
    3. Thomas Url, 2021. "Privatversicherungswirtschaft bewies in der COVID-19-Krise Leistungsfähigkeit," WIFO Monatsberichte (monthly reports), WIFO, vol. 94(9), pages 637-649, September.
    4. Tumilara Busayo Amoo & Baukje de Roos, 2021. "Stunting and Its Risk Factors in Under Age Five Children in Ogun State, Nigeria: A Cross-Sectional Study," International Journal of Healthcare and Medical Sciences, Academic Research Publishing Group, vol. 7(4), pages 76-86, 10-2021.

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    Keywords

    Statistical and Nonlinear Physics;

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