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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Veröffentlicht in:Sarajevo journal of mathematics 2024-06, Vol.5 (1), p.133-141
Hauptverfasser: Messirdi, Sanaa, Djaa, Mustapha, Messirdi, Bekkai
Format: Artikel
Sprache:eng
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Zusammenfassung: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