scholarly journals EXISTENCE AND UNIQUENESS OF PERIODIC SOLUTIONS FOR A KIND OF FIRST ORDER NEUTRAL FUNCTIONAL DIFFERENTIAL EQUATIONS WITH A DEVIATING ARGUMENT

2007 ◽  
Vol 11 (2) ◽  
pp. 497-510 ◽  
Author(s):  
Bingwen Liu ◽  
Lihong Huang
Keyword(s):  
Differential Equations ◽  
Periodic Solutions ◽  
Existence And Uniqueness ◽  
Functional Differential Equations ◽  
Neutral Functional Differential Equations ◽  
Deviating Argument ◽  
First Order ◽  
Functional Differential

scholarly journals Positive Periodic Solutions for First-Order Neutral Functional Differential Equations with Periodic Delays

2012 ◽  
Vol 2012 ◽  
pp. 1-12 ◽  
Author(s):  
Zeqing Liu ◽  
Xin Li ◽  
Shin Min Kang ◽  
Young Chel Kwun
Keyword(s):  
Fixed Point ◽  
Differential Equations ◽  
Periodic Solutions ◽  
Functional Differential Equations ◽  
Positive Periodic Solutions ◽  
Neutral Functional Differential Equations ◽  
First Order ◽  
Krasnoselskii Fixed Point Theorem ◽  
Functional Differential ◽  
Periodic Delays

In this paper, two classes of first-order neutral functional differential equations with periodic delays are considered. Some results on the existence of positive periodic solutions for the equations are obtained by using the Krasnoselskii fixed point theorem. Four examples are included to illustrate our results.

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