Dynamic transcritical bifurcations in a class of slow-fast predator-prey models

被引:17
|
作者
Boudjellaba, Hafida [2 ]
Sari, Tewfik [1 ]
机构
[1] Univ Haute Alsace, F-68093 Mulhouse, France
[2] Laurentian Univ, Sudbury, ON P3E 2C6, Canada
关键词
Asymptotic stability; Delayed loss of stability; Singular perturbations; Canards; Biological models; ORDINARY DIFFERENTIAL-EQUATIONS; UNSTABLE PERIODIC MOTIONS; CANARDS; POPULATIONS; EXISTENCE; R-3;
D O I
10.1016/j.jde.2009.01.001
中图分类号
O1 [数学];
学科分类号
0701 ; 070101 ;
摘要
We study the stability loss delay phenomenon in a dynamic transcritical bifurcation in a class of three-dimensional prey and predator systems. The dynamics of the predator is assumed to be slow comparatively to the dynamics of the prey. As an application, a well-known model considered by Clark will be discussed. (C) 2009 Elsevier Inc. All rights reserved.
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页码:2205 / 2225
页数:21
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