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Four positive periodic solutions for the first order differential system |
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| Authors: | Zhengqiu Zhang Hengsheng Tang |
| Institution: | Department of Applied Mathematics, Hunan University, Changsha 410082, PR China |
| Abstract: | In this paper, we establish the existence of four positive periodic solutions for the first order differential system by using the continuation theorem of coincidence degree theory. When our result is applied to a competition Lotka-Volterra population model, we obtain the existence of four positive periodic solutions for this model. |
| Keywords: | Four positive periodic solutions Differential system Competition Lotka-Volterra model The continuation theorem of coincidence degree theory |
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