In this work we study the dynamics of language competition. In Abrams and Strogatz [Modeling the dynamics Of language death, Nature 424 (2003) 900], the extinction of one of the competing languages is predicted, although in some case the coexistence occurs. The preservation of both languages was explained by Patriarca and Leppanen [Modeling language competition, Physica A 338 (2004) 296] by introducing the existence of two disjoint zones where each language is predominant. However, their results cannot explain the survivance of both languages in only one zone of competition. In this work we discuss their results and propose a new alternative model of Lotka-Volterra type in order to explain the coexistence of two languages. (c) 2005 Elsevier B.V. All rights reserved.
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机译：在这项工作中，我们研究了语言竞争的动力。在Abrams和Strogatz [语言死亡动力学建模，自然424（2003）900]中，预测了其中一种竞争语言的灭绝，尽管在某些情况下会并存。 Patriarca和Leppanen [建模语言竞赛，Physica A 338（2004）296]通过介绍两个不相交的区域（每种语言占主导）的存在来解释了两种语言的保存。但是，他们的结果不能解释两种语言在一个竞争区域中的生存。在这项工作中，我们讨论了他们的结果，并提出了Lotka-Volterra类型的新替代模型，以解释两种语言的共存。 （c）2005 Elsevier B.V.保留所有权利。
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