| 一类具有扩散的三种群生态模型正解的存在性 |
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| 引用本文： | 黑力军. 一类具有扩散的三种群生态模型正解的存在性[J]. 应用数学学报, 2006, 29(1): 184-189 |
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| 作者姓名： | 黑力军 |
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| 作者单位： | 天津大学数学系,天津,300072 |
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| 基金项目： | 中国科学院资助项目;天津大学校科研和教改项目;南开大学校科研和教改项目 |
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| 摘 要： | 应用Dancer不动点指数理论,通过对一类具有扩散的三种群生态模型的研究,给出了讨论具有扩散的三种群相互作用模型正解存在性问题的一般方法．
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| 关 键 词： | 反应扩散生态系统 正解 特征值 不动点指数 |
| 收稿时间： | 2004-10-15 |
| 修稿时间： | 2004-10-15 |
The Existence of Positive Solutions for a Kind of Three Species Ecological Models with Diffusion |
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| HEI LIJUN. The Existence of Positive Solutions for a Kind of Three Species Ecological Models with Diffusion[J]. Acta Mathematicae Applicatae Sinica, 2006, 29(1): 184-189 |
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| Authors: | HEI LIJUN |
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| Affiliation: | Department of Mathematics, Tianjin University, Tianjin 300072 |
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| Abstract: | By using Dancer fixed point index theory, a three-species ecological model with diffusion was studied and a method to solve the problem on the existence of positive solutions for the three species interacting model with diffusion was established. |
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| Keywords: | reaction-diffusion ecological system positive solutions eigenvalues indices of fixed points |
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