scholarly journals A variational approach for almost periodic solutions in retarded functional differential equations

2009 ◽  
pp. 67-84
Author(s):  
Moez Ayachi ◽  
Jöel Blot
Keyword(s):  
Differential Equations ◽  
Periodic Solutions ◽  
Variational Approach ◽  
Functional Differential Equations ◽  
Almost Periodic Solutions ◽  
Almost Periodic ◽  
Retarded Functional Differential Equations ◽  
Functional Differential

scholarly journals Existence of Almost Periodic Solutions for Impulsive Neutral Functional Differential Equations

2014 ◽  
Vol 2014 ◽  
pp. 1-11
Author(s):  
Junwei Liu ◽  
Chuanyi Zhang
Keyword(s):  
Differential Equations ◽  
Periodic Solutions ◽  
Functional Differential Equations ◽  
Continuous Operator ◽  
Almost Periodic Solutions ◽  
Almost Periodic ◽  
Neutral Functional Differential Equations ◽  
Krasnoselskii’S Fixed Point Theorem ◽  
Exponentially Stable ◽  
Functional Differential

The existence of piecewise almost periodic solutions for impulsive neutral functional differential equations in Banach space is investigated. Our results are based on Krasnoselskii’s fixed-point theorem combined with an exponentially stable strongly continuous operator semigroup. An example is given to illustrate the theory.

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