Title of article :
Positive periodic solutions of a class of functional differential systems with feedback controls
Original Research Article
Author/Authors :
Yongkun Li، نويسنده , , Ping Liu، نويسنده , , Lifei Zhu، نويسنده ,
Issue Information :
روزنامه با شماره پیاپی سال 2004
Abstract :
In this paper, by using the upper and lower solutions method, we investigate the existence and nonexistence of positive periodic solutions of infinite delay functional differential system with a parameter and feedback controls
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Keywords :
delay differential equation , Positive periodic solution , Feedback control , State-dependent delay , Upper and lower solutions method
Journal title :
Nonlinear Analysis Theory, Methods & Applications
Journal title :
Nonlinear Analysis Theory, Methods & Applications
