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Model Of World: Her Cities, Languages And Countries

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  • ÇAĞLAR TUNCAY

    (Department of Physics, Middle East Technical University, 06531 Ankara, Turkey)

Abstract

The time evolution of Earth with her cities, languages and countries is considered in terms of the multiplicative noise1and the fragmentation processes, where the related families, size distributions, lifetimes, bilinguals, etc. are studied. Earlier we treated the cities and the languages differently (and as connected; languages split since cities split, etc.). Hence, two distributions are obtained in the same computation at the same time. The same approach is followed here and Pareto–Zipf law for the distribution of the cities, log-normal for the languages, decreasing exponential for the city families (countries) in the rank order over population, and power law -2 for the language families over the number of languages in rank order are obtained theoretically in this combination for the first time (up to our knowledge) in the literature; all of which are in good agreement with the present empirical data.

Suggested Citation

  • Çağlar Tuncay, 2008. "Model Of World: Her Cities, Languages And Countries," International Journal of Modern Physics C (IJMPC), World Scientific Publishing Co. Pte. Ltd., vol. 19(03), pages 471-484.
    • Handle: RePEc:wsi:ijmpcx:v:19:y:2008:i:03:n:s0129183108012261
    DOI: 10.1142/S0129183108012261
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    Keywords

    Cities; languages; families;
    All these keywords.

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