Bounded fitness landscapes and the evolution of the linguistic diversity

Details Bounded fitness landscapes and the evolution of the linguistic diversity Bounded fitness landscapes and the evolution of the linguistic diversity

2005-10-27

arxiv.org/abs/physics/0510249v1

Physics

Physics and Society

10 pages, 3 figures

Scientific paper

10.1016/j.physa.2005.11.058

A simple spatial computer simulation model was recently introduced to study the evolution of the linguistic diversity. The model considers processes of selective geographic colonization, linguistic anomalous diffusion and mutation. In the approach, we ascribe to each language a fitness function which depends on the number of people that speak that language. Here we extend the aforementioned model to examine the role of saturation of the fitness on the language dynamics. We found that the dependence of the linguistic diversity on the area after colonization displays a power law regime with a nontrivial exponent in very good agreement with the measured exponent associated with the actual distribution of languages on the Earth.

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