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de Oliveira, V. M., Campos, P. R. A., Gomes, M. A. F., and Tsang, I. R. (2006) Bounded fitness landscapes and the evolution of the linguistic diversity. Physica A: Statistical Mechanics and its Applications, 368(1):257--261.
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   Authoritative: http://dx.doi.org/10.1016/j.physa.2005.11.058   (Publisher's PDF... likely be available here.)
   Source: http://arxiv.org/abs/physics/0510249
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Abstract

We have recently introduced a simple spatial computer simulation model 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.

Keywords: Linguistic diversity; Languages; Language competition

BibTex
@article{deoliveira06boundedFitness,
  author={Viviane M. de Oliveira and Paulo R.A. Campos and M.A.F. Gomes and I.R. Tsang},
  title={Bounded fitness landscapes and the evolution of the linguistic diversity},
  journal={Physica A: Statistical Mechanics and its Applications},
  year={2006},
  month={August},
  volume={368},
  number={1},
  pages={257-261},
  doi={10.1016/j.physa.2005.11.058},
  url={http://www.isrl.uiuc.edu/~amag/langev/paper/deoliveira06boundedFitness.html},
  keywords={Linguistic diversity; Languages; Language competition}
}

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