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Multiple periodic solutions for system of first-order differential equation |
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| Authors: | Seshadev Padhi Smita Pati |
| Institution: | 1. Department of Applied Mathematics , Birla Institute of Technology , Mesra, Ranchi 835215 , India ses_2312@yahoo.co.in;3. Department of Applied Mathematics , Birla Institute of Technology , Mesra, Ranchi 835215 , India |
| Abstract: | Sufficient conditions have been obtained for the existence of at least two non-negative periodic solutions to a system of first-order nonlinear functional differential equations. Applications to some ecological models are given. |
| Keywords: | periodic solution positive solution |