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一类Lotka-Volterra型竞争系统的正周期解

Positive periodic solutions for Lotka-Volterra competitive system
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摘要 利用Mawhin重合度拓展定理,获得了一类多种群竞争系统周期解存在性的充分条件,并给出了具体例子。 Sufficient conditions are obtained for the existence of positive periodic solutions for a Lotka-Volterra competitive system,by using Mawhin coincidence degree theory,and an example is given in this paper.
出处 《阜阳师范学院学报(自然科学版)》 2012年第1期18-21,26,共5页 Journal of Fuyang Normal University(Natural Science)
基金 安徽省高校省级自然科学研究项目(KJ2011Z290)资助
关键词 周期解 重合度 竞争系统 periodic solution coincidence degree competitive system
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