Approximate controllability of semilinear functional equations in Hilbert spaces

dc.contributor.authorDauer, JP
dc.contributor.authorMahmudov, NI
dc.date.accessioned2026-02-06T18:43:15Z
dc.date.issued2002
dc.departmentDoğu Akdeniz Üniversitesi
dc.description.abstractIn this paper approximate and complete controllability for semilinear functional differential systems is studied in Hilbert spaces. Sufficient conditions are established for each of these types of controllability. The results address the limitation that linear systems in infinite-dimensional spaces with compact semigroup cannot be completely controllable. The conditions are obtained by using the Schauder fixed point theorem when the semigroup is compact and the Banach fixed point theorem when the semigroup is not compact. (C) 2002 Elsevier Science (USA). All rights reserved.
dc.identifier.doi10.1016/S0022-247X(02)00225-1
dc.identifier.endpage327
dc.identifier.issn0022-247X
dc.identifier.issue2
dc.identifier.scopus2-s2.0-0037107070
dc.identifier.scopusqualityQ2
dc.identifier.startpage310
dc.identifier.urihttps://doi.org/10.1016/S0022-247X(02)00225-1
dc.identifier.urihttps://hdl.handle.net/11129/13522
dc.identifier.volume273
dc.identifier.wosWOS:000178940400005
dc.identifier.wosqualityQ1
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherAcademic Press Inc Elsevier Science
dc.relation.ispartofJournal of Mathematical Analysis and Applications
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.snmzKA_WoS_20260204
dc.subjectapproximate controllability
dc.subjectweak approximate controllability
dc.subjectcomplete controllability
dc.subjectsemilinear functional equations
dc.subjectSchauder fixed point theorem
dc.subjectBanach fixed point theorem
dc.titleApproximate controllability of semilinear functional equations in Hilbert spaces
dc.typeArticle

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