Species differentiation in Axelrod’s model

Sandro M. Reia, Gustavo D. M. Madeira (), João P. Fiorelli () and Ubiraci P. C. Neves ()
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Sandro M. Reia: Instituto de Física de São Carlos, Universidade de São Paulo, São Carlos 13566-590, Brasil
Gustavo D. M. Madeira: Faculdade de Filosofia, Ciências e Letras de Ribeirão Preto, Universidade de São Paulo, Ribeirão Preto, São Paulo 14040-900, Brasil
João P. Fiorelli: Faculdade de Filosofia, Ciências e Letras de Ribeirão Preto, Universidade de São Paulo, Ribeirão Preto, São Paulo 14040-900, Brasil
Ubiraci P. C. Neves: Faculdade de Filosofia, Ciências e Letras de Ribeirão Preto, Universidade de São Paulo, Ribeirão Preto, São Paulo 14040-900, Brasil

International Journal of Modern Physics C (IJMPC), 2019, vol. 30, issue 08, 1-13

Abstract: We have proposed a new approach for Axelrod’s model to describe newly recognized mechanisms of speciation based on the interbreedings between genetically similar species. By tracking the propagation of genetic information through the network, our modeling suggests that species (agents) that once were able to exchange genetic information tend to evolve to a predominant species or even differentiate into distinct species. Furthermore, a genome distance measurement (separation degree) is here defined and shown to capture the phase transition of the model, thus working as an alternative and computationally less costly order parameter.

Keywords: Axelrod’s model; sociophysics; speciation (search for similar items in EconPapers)
Date: 2019
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DOI: 10.1142/S0129183119500645

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