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一类具时滞和比率的扩散系统正周期解

Existence of Periodic Solution for Predator-prey Diffusive System of Two Species with Time Delay and Radio
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摘要 本文研究了一类具有时滞和比率的两种群捕食者-食饵扩散系统,应用重合度理论,得出了该系统正周期存在性与扩散系数无关的新结果.这一结果与以往文献中的结果是大不相同的。 In this paper,a class of predator - prey diffusive system of two species with time delay and ratio is studied by the using of coincidence degree theory. We obtain a new result on the existence of positive periodic solution to the system.
作者 颜劲松
机构地区 荆门职业技术学院计算机系
出处 《沙洋师范高等专科学校学报》 2005年第5期17-22,共6页 Journal of Shayang Teachers College
关键词 时滞 比率 重合度 周期解 time - delay ratio coincidence degree periodic solution
分类号 O175.5 [理学—基础数学]
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沙洋师范高等专科学校学报
2005年 第5期

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