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Examinando por Autor "Leiva, Hugo"

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    A lemma on C0-semigroups on time scales and approximate controllability of the heat dynamic equation
    (Quaestiones Mathematicae, 2020) Bohner, Martin; Sivoli, Zoraida; Leiva, Hugo
    In this paper, we present a lemma that allows us to characterize a broad class of C0-semigroups on time scales, which can be applied to prove existence and uniqueness of solutions of systems of partial differential equations where the time domain is a time scale. The result obtained is applied to study the controllability of the heat equation on time scales. The lemma presented in this paper can be seen as a unification of the one proved by H. Leiva in [28], for semigroups in [0,∞).