| 食物有限的时滞种群模型的振动性 |
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| 引用本文： | 任洪善,俞元洪.食物有限的时滞种群模型的振动性[J].数学的实践与认识,2008,38(12). |
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| 作者姓名： | 任洪善 俞元洪 |
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| 摘 要： | 将考虑两类具有变时滞非线性有限食物种群模型N′(t)=r(t)N(t)K-N(p(t))/K+s(t)N(σ(t)),t≥ 0和N′(t)=r(t)N(t)K-Nα(p(t))/K+s(t)Nα(σ(t)),t≥ 0,的振动性,其中α>0,ρ(t)≤t,σ(t)≤t.我们的工作推广并改进了相关文献的结果.
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| 关 键 词： | 时滞种群模型 食物有限 振动准则 |
Oscillation for a Class of Food-Limited Population Model with Time Delay |
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| REN Hong-shan,YU Yuan-hong.Oscillation for a Class of Food-Limited Population Model with Time Delay[J].Mathematics in Practice and Theory,2008,38(12). |
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| Authors: | REN Hong-shan YU Yuan-hong |
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| Abstract: | Several oscillation and non-oscillation criteria are established for a class of food-limited population models with time delay. |
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| Keywords: | populations model with time delay food-limited oscillation criterion |
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