Shan Gao, Yongkun Li
Abstract: 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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