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具有时滞的非自治差分竞争系统的持久生存性和全局稳定性(英文) 被引量:1
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作者 刘显清 谭荣华 +1 位作者 覃文杰 刘志军 《生物数学学报》 CSCD 2012年第3期385-394,共10页
对一类具有时滞的两种群竞争系统进行了研究,利用一些不等式的技巧得到了系统持久生存的充分条件,并且通过构造一个离散的Lyapunov函数得到了系统正解全局稳定的条件.
关键词 时滞离散竞争系统 持久生存性 全局稳定性 正解
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The Lotka-Volterra Competition System with Discrete and Distributed Time Delays
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作者 张嘉防 张志平 《Chinese Quarterly Journal of Mathematics》 CSCD 北大核心 2008年第1期83-88,共6页
In this paper, the Lotka-Volterra competition system with discrete and distributed time delays is considered. By analyzing the characteristic equation of the linearized system, the local asymptotic stability of the po... In this paper, the Lotka-Volterra competition system with discrete and distributed time delays is considered. By analyzing the characteristic equation of the linearized system, the local asymptotic stability of the positive equilibrium is investigated. Moreover, we discover the delays don't effect the stability of the equilibrium in the delay system. Finally, we can conclude that the positive equilibrium is global asymptotically stable in the delay system. 展开更多
关键词 competition system discrete and distributed time delays STABILITY global asymptotically stable
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