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一类比率依赖的Holling-Leslie捕食-食饵模型的全局分歧

杨文彬 李艳玲

计算机工程与应用2012,Vol.48Issue(17):58-62,5.
计算机工程与应用2012,Vol.48Issue(17):58-62,5.DOI:10.3778/j.issn.1002-8331.2012.17.012

一类比率依赖的Holling-Leslie捕食-食饵模型的全局分歧

Global bifurcation of a class of ratio-dependent Holling-Leslie type predatorprey model

杨文彬 1李艳玲1

作者信息

  • 1. 陕西师范大学数学与信息科学学院,西安710062
  • 折叠

摘要

Abstract

Based on the methods of the bifurcation theory and the Leray-Schauder degree theory, a class of ratio-dependent Holling-Leslie type predator model, subject to homogeneous Neumann boundary condition, is investigated. The bifurcation from positive constant equilibrium is obtained by treating the diffusion coefficient of predator as bifurcation parameter. Through the use of local and global bifurcation theories, sufficient conditions for the existence of non-constant positive solution are derived. The fact that the global bifurcation joins up with infinity in the case of one-dimension is obtained.

关键词

比率依赖/Holling-Leslie/分歧理论/Leray-Schauder度理论

Key words

ratio-dependent/ Holling-Leslie/ bifurcation theory/ Leray-Schauder degree theory

分类

数理科学

引用本文复制引用

杨文彬,李艳玲..一类比率依赖的Holling-Leslie捕食-食饵模型的全局分歧[J].计算机工程与应用,2012,48(17):58-62,5.

基金项目

国家自然科学基金(No.10971124) (No.10971124)

高等学校博士学科点专项科研基金(No.200807180004). (No.200807180004)

计算机工程与应用

OACSCDCSTPCD

1002-8331

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