期刊
EUROPHYSICS LETTERS
卷 69, 期 6, 页码 1031-1034出版社
EDP SCIENCES S A
DOI: 10.1209/epl/i2004-10438-4
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We analyze the time evolution of a system of two coexisting languages (Castillian Spanish and Galician, both spoken in northwest Spain) in the framework of a model given by Abrams and Strogatz (Nature, 424 ( 2003) 900). It is shown that, contrary to the model's initial prediction, a stable bilingual situation is possible if the languages in competition are similar enough. Similarity is described with a simple parameter, whose value can be estimated from fits of the data.
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