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考虑病毒感染的营养-浮游植物模型的Hopf分支和全局性态(英)

, PP. 738-745

Keywords: 营养-浮游植物模型,Hopf分支,Lyapunov函数,全局稳定

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Abstract:

营养和其消耗者之间的关系模型过去、现在和未来都是生态学和生态数学的重要内容之一.提出了一个一种营养,两种浮游植物并且其中一种浮游植物具有病毒感染的模型.并运用微分方程稳定性理论的相关知识和方法,对该模型的定性理论进行了研究.得出了模型平衡点存在和局部稳定的条件,同时在某些边界平衡点和正平衡点产生了Hopf分支,最后利用Lyapunov函数方法讨论了某些边界平衡点的全局稳定性.该模型的研究对我们进一步理解海洋生态系统的运行有一定的参考意义.

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