一类捕食模型正解的存在性分析 |
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引用本文: | 袁静,易景平.一类捕食模型正解的存在性分析[J].齐齐哈尔轻工业学院学报,2008(3):58-62. |
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作者姓名: | 袁静 易景平 |
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作者单位: | 河南安阳师范学院数学科学学院,河南安阳455002 |
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摘 要: | 研究了一类捕食模型的平衡态方程,通过利用正的紧线性微分算子的谱性质和锥映像不动点指标,结合极值原理,上下解方法,得到了正解存在的充分条件。
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关 键 词: | 平衡解 谱 不动点指标 上下解 |
Existential analysis of positive solutions for a predator-prey model |
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Authors: | YUAN Jing YI Jing-ping |
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Affiliation: | (Department of Mathematics, Henan Anyang Normal College, Henan Anyang 455002, China) |
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Abstract: | This paper studies the steady-state equation of a kind of predator-prey model, and by using the spectral properties of positive compact linear differential opetators and fixed points index of compact maps in cones, combining with maximum principles, and lower-upper solutions methods, sufficient conditions of positive solutions are obtained. |
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Keywords: | steady-state solution spectrum fixed points index lower-upper solutions |
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