Abstract:
对文献"一类具功能反应的食饵—捕食者两种群模型的定性分析"[1]的结论作一些改正和补充,即对高次奇点进行分析,对极限环的存在性结论进行改正.所讨论的模型:dxdt=y(-ddt=xg(x)-yφ(x),dy+φ(x)),其中g(x)=a-bxm和φ(x)=cxθ都是非线性的.
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宁德师专学报(自然科学版)
Year: 2005
Issue: 01
Page: 1-3
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