Existence of periodic solutions in neutral state-dependent delays equations and models |
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Institution: | 1. Department of Mathematics, Southeast University, Nanjing, Jiangsu 210096, People''s Republic of China;2. Department of Mathematics, Bengbu Tank Institute, Bengbu, Anhui 233013, People''s Republic of China |
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Abstract: | Sufficient conditions are obtained for the existence of positive periodic solutions of neutral equations with state-dependent delays. The proof is based on the theory of coincidence degree. The existence results are applied to equations of population dynamics. |
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