Multiple positive periodic solutions of nonlinear functional differential system with feedback control |
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| Authors: | Ping Liu |
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| Affiliation: | Department of Mathematics, Yunnan University, Kunming, Yunnan 650091, PR China |
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| Abstract: | In this paper, we employ Avery-Henderson fixed point theorem to study the existence of positive periodic solutions to the following nonlinear nonautonomous functional differential system with feedback control: |
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| Keywords: | Positive periodic solution Functional differential equation Feedback control Fixed-point theorem |
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