Almost Periodic Solutions of Abstract Retarded Functional Differential Equations with Unbounded Delay

Author: Henríquez H.R.   Vásquez C.H.  

Publisher: Springer Publishing Company

ISSN: 0167-8019

Source: Acta Applicandae Mathematicae, Vol.57, Iss.2, 1999-06, pp. : 105-132

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Abstract

We establish the existence of bounded, almost periodic and asymptotically almost periodic mild solutions for first- and second-order abstract-retarded functional differential equations with unbounded delay.