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一类具有比率依赖的食物链扩散模型整体解的存在性(英文)

Existence of Global Solutions for a Ratio-dependent Food Chain Model With Diffusion
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摘要 本文考虑了一类具有比率依赖的食物链模型,目前对这个扩散模型已经讨论得到的结果非常少.本文首先讨论了该弱耦合扩散模型平衡解的存在性、一致有界性和稳定性.接着,证明了含交错扩散项的偏微模型在空间维数小于或等于6时的经典解的存在性. In this article,a ratio-dependent food chain model is studied.Very few mathematical results are known for this model with diffusion.First,the existence and uniform boundedness of global solutions and stability of the equilibrium points for the model of weakly coupled reaction-diffusion type are discussed.Then,we prove the existence of global classical solutions for the model of PDE type with cross-diffusion when the space dimension n6.
作者 陈梅艳 韦创文
机构地区 桂平市实验中学
出处 《数学进展》 CSCD 北大核心 2010年第6期679-690,共12页 Advances in Mathematics（China）
基金 supported by NSFC(No.10371039)
关键词 交错扩散 整体解 食物链模型 反应扩散 稳定性 cross-diffusion global solution food chain model reaction-diffusion stability
分类号 O175.2 [理学—基础数学]
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数学进展
2010年 第6期

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