On some classes of operators in Hilbert space and a semi-Hilbertian space

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dc.contributor.authorMaadani Mustapha
dc.date.accessioned2026-06-08T10:42:48Z
dc.date.available2026-06-08T10:42:48Z
dc.date.issued2026-04-12
dc.description.abstractAbstract: The aim of this thesis is to introduce new classes of interaction operators, and to apply these classes to two fundamental theorems in functional analysis. The content of this work is also divided into two parts: the first part is devoted to operators defined on a Hilbert space, while the second part focuses on operators defined on a semi-Hilbertian space, which includes a positive operator. We conclude this thesis by providing examples and counterexamples illustrating the obtained results.
dc.identifier.urihttps://dspace.univ-chlef.dz/handle/123456789/2461
dc.language.isoen
dc.titleOn some classes of operators in Hilbert space and a semi-Hilbertian space
dc.typeThesis

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