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Periodic solutions for a kind of second order neutral functional differential equations |
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| Authors: | Jianhua Shen Ruixi Liang |
| Affiliation: | aDepartment of Mathematics, College of Huaihua, Huaihua, Hunan 418008, China bDepartment of Mathematics, Hunan Normal University Changsha, Hunan 410081, China |
| Abstract: | In this paper, criteria are established for the existence of periodic solutions to a second order sublinear neutral differential equation. Our method is based on careful a priori estimation and continuation theorem, and our sublinear condition is an improvement of the boundedness condition in some recent results. |
| Keywords: | Second order neutral differential equation Periodic solution Continuation theorem |
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