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Positive periodic solutions of impulsive functional differential equations with a parameter
Yanqin Wang, Qingwei Tu, Qiang Wang and Chao Hu
Received: February 10, 2009; Accepted: September 25, 2010
Abstract. By using a fixed point theorem of strict-set-contraction, some criteria are established for the existence of positive periodic solutions of the following impulsive functional differential equations with a parameter
Keywords: Periodic solution; impulse effect; functional differential equation; strict-set-contraction.
AMS Subject classification: Primary: 34C25, 34K14, 34K45.
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