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Controllability results for semilinear functional and neutral functional evolution equations with infinite delayKeywords: controllability , existence , semilinear functional , neutral functional differential evolution equations , mild solution , fixed-point , evolution system , infinite delay Abstract: In this paper sufficient conditions are given ensuring the controllability of mild solutions defined on a bounded interval for two classes of first order semilinear functional and neutral functional differential equations involving evolution operators when the delay is infinite using the nonlinear alternative of Leray-Schauder type.
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