Shan Gao, Yongkun Li
Abstract:
In this article, a two-species predator-prey model with time delays
and impulsive effect is investigated. By using Mawhin's continuation
theorem of coincidence degree theory, sufficient conditions are
obtained for the existence of positive periodic solutions.
Submitted April 7, 2008. Published June 21, 2008.
Math Subject Classifications: 34K13, 34K45, 92D25.
Key Words: Predator-prey model; impulse; positive periodic solution;
coincidence degree.
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| Shan Gao Department of Mathematics, Yunnan University Kunming, Yunnan, 650091, China email: 2002711036@163.com |
| Yongkun Li Department of Mathematics, Yunnan University Kunming, Yunnan, 650091, China email: yklie@ynu.edu.cn |
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