EXISTENCE OF POSITIVE PERIODIC SOLUTIONS FOR VOLTERRA INTERGO-DIFFERENTIAL EQUATIONS |
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| Authors: | Jiang Daqing Wei Junjie |
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| Affiliation: | Jiang Daqing,Wei Junjie Department of Mathematics,Northeast Normal University,Changchun 130024,China |
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| Abstract: | This paper deals with the existence of positive periodic solutions for a kind of nonautonomous Volterra intergo-differential equations by employing the Krasnoselskii fixed point theorem. Applying the general theorems established to several biomathematical models, the paper improves some previous results and obtains some new results. |
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| Keywords: | Volterra integro-differential equation existence positive periodic solution fixed point theorem |
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