Multiple positive periodic solutions for a class of nonlinear functional differential equations

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摘要

By employing Avery–Henderson fixed point theorem in cones, we obtain some sufficient conditions which guarantee the existence of multiple positive periodic solutions for a class of differential equations with state-dependent delays.

论文关键词:Positive periodic solution,State-dependent delay,Fixed point theorem

论文评审过程:Received 2 October 2007, Revised 8 August 2008, Accepted 13 August 2008, Available online 20 August 2008.

论文官网地址:https://doi.org/10.1016/j.amc.2008.08.011

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