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dc.contributor.authorZariouh, Hassan-
dc.date.accessioned2019-03-28T12:34:19Z-
dc.date.available2019-03-28T12:34:19Z-
dc.date.issued2015-
dc.identifier.urihttp://hdl.handle.net/10662/9027-
dc.description.abstractA bounded linear operator T is said to satisfy property (S Baw) if (σ_a (T) ) ⁄σ_(SBF_+^- ) (T) = E_a^0(T); where σ_a(T) is the approximate point spectrum of T; σ_(SBF_+^- ) (T) is the upper semi-B-Weyl spectrum of T and E_a^0(T) is the set of all eigenvalues of T of finite multiplicity that are isolated in its approximate point spectrum. In this paper we give a characterization of this spectral property for a bounded linear operator having SVEP on the complementary of its upper semi-B-Weyl spectrum, and we study its stability under commuting Riesz-type perturbations. Analogous results are obtained for the properties (S Bb); (S Bab) and (S Bw): The theory is exemplified in the case of some special classes of operators.es_ES
dc.format.extent15 p.es_ES
dc.format.mimetypeapplication/pdfen_US
dc.language.isoenges_ES
dc.publisherUniversidad de Extremaduraes_ES
dc.rightsAttribution-NonCommercial 4.0 International*
dc.rights.urihttp://creativecommons.org/licenses/by-nc/4.0/*
dc.subjecta-Browder's theoremes_ES
dc.subjectUpper semi-Weyl spectrumes_ES
dc.subjectPropiedad de extensión de valor único (SVEP)es_ES
dc.subjectRiesz operatores_ES
dc.subjectTeorema de a-Browderes_ES
dc.subjectEspectro de semi-Weyl superiores_ES
dc.subjectSingle valued extension property (SVEP)es_ES
dc.subjectOperador de Rieszes_ES
dc.titlePreservation results for new spectral propertieses_ES
dc.typearticlees_ES
dc.description.versionpeerReviewedes_ES
europeana.typeTEXTen_US
dc.rights.accessRightsopenAccesses_ES
dc.subject.unesco1202.01 Álgebra de Operadoreses_ES
europeana.dataProviderUniversidad de Extremadura. Españaes_ES
dc.identifier.bibliographicCitationZariou, H. (2015). Preservation results for new spectral properties. Extracta Mathematicae 30 (2), 191-205. E-ISSN 2605-5686es_ES
dc.type.versionpublishedVersiones_ES
dc.contributor.affiliationCentre Régional pour les Métiers de l'Education et de la Formation de la region de l'Oriental (CRMEFO). Marocfr_FR
dc.identifier.publicationtitleExtracta Mathematicaees_ES
dc.identifier.publicationissue2es_ES
dc.identifier.publicationfirstpage191es_ES
dc.identifier.publicationlastpage205es_ES
dc.identifier.publicationvolume30es_ES
dc.identifier.e-issn2605-5686-
Colección:Extracta Mathematicae Vol. 30, nº 2 (2015)

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