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Existence of positive periodic solutions for two kinds of neutral functional differential equations |
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| Authors: | Yan Luo Weibing Wang Jianhua Shen |
| Affiliation: | aDepartment of Mathematics, Hunan Normal University, Changsha, Hunan 410081, China |
| Abstract: | In this work, we deal with a new existence theory for positive periodic solutions for two kinds of neutral functional differential equations by employing the Krasnoselskii fixed-point theorem. Applying our results to various mathematical models we improve some previous results. |
| Keywords: | Neutral functional differential equation Existence Positive periodic solution Fixed-point theorem |
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