A-approximate point spectrum of A-bounded operators in semi-Hilbertian spaces

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dc.contributor.authorMajumdar, A.
dc.contributor.authorJohnson, P.
dc.date.accessioned2026-02-03T13:19:32Z
dc.date.issued2025
dc.description.abstractThe paper delves into several characterizations of A-approximate point spectrum of A-bounded operators acting on a complex semi-Hilbertian space H and also investigates properties of the A-approximate point spectrum for the tensor product of two A12-adjoint operators. Furthermore, several properties of A-normal operators have been established. © The Indian National Science Academy 2025.
dc.identifier.citationIndian Journal of Pure and Applied Mathematics, 2025, 56, 3, pp. 1163-1176
dc.identifier.issn195588
dc.identifier.urihttps://doi.org/10.1007/s13226-025-00831-4
dc.identifier.urihttps://idr.nitk.ac.in/handle/123456789/20110
dc.publisherIndian National Science Academy
dc.subjectA-approximate point spectrum
dc.subjectA-normal operator
dc.subjectSemi-Hilbertian space
dc.titleA-approximate point spectrum of A-bounded operators in semi-Hilbertian spaces

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