Stability of Almost Closed Operators on a Hilbert Space

We introduce the notion of almost closed linear operators acting in a Hilbert space. This class of operators contains the set of all closed linear operators and is invariant under addition, composition and limits.   2000 Mathematics Subject Classification. 47A05, 47B33

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Bibliographic Details
Published inSarajevo journal of mathematics Vol. 5; no. 1; pp. 133 - 141
Main Authors Messirdi, Sanaa, Djaa, Mustapha, Messirdi, Bekkai
Format Journal Article
LanguageEnglish
Published 11.06.2024
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ISSN1840-0655
2233-1964
DOI10.5644/SJM.05.1.12

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Summary:We introduce the notion of almost closed linear operators acting in a Hilbert space. This class of operators contains the set of all closed linear operators and is invariant under addition, composition and limits.   2000 Mathematics Subject Classification. 47A05, 47B33
ISSN:1840-0655
2233-1964
DOI:10.5644/SJM.05.1.12