Utilize este identificador para referenciar este registo: http://hdl.handle.net/10071/32470
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dc.contributor.authorCarvalho, L.-
dc.contributor.authorDiogo, C.-
dc.contributor.authorMendes, S.-
dc.contributor.authorSoares, H.-
dc.date.accessioned2024-10-10T08:56:39Z-
dc.date.issued2024-
dc.identifier.citationCarvalho, L., Diogo, C., Mendes, S., & Soares, H. (2024). Quaternionic essential numerical range of complex operators. Linear and Multilinear Algebra. https://doi.org/10.1080/03081087.2024.2413653-
dc.identifier.issn0308-1087-
dc.identifier.urihttp://hdl.handle.net/10071/32470-
dc.description.abstractWe study the essential numerical range of complex operators on a quaternionic Hilbert space and its relation with the essential S-spectrum. We give a new characterization of the essential numerical range relating it to the complex essential numerical range. Moreover, we show that the quaternionic essential numerical range of a normal operator is the convex hull of the essential S-spectrum.eng
dc.language.isoeng-
dc.publisherRoutledge/Taylor and Francis-
dc.relationUIDB/04459/2020-
dc.relationUIDB/04674/2020-
dc.relationinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDB%2F00212%2F2020/PT-
dc.relationinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDP%2F04459%2F2020/PT-
dc.rightsembargoedAccess-
dc.subjectQuaternionseng
dc.subjectEssential numerical rangeeng
dc.subjectEssential S-spectrumeng
dc.titleQuaternionic essential numerical range of complex operatorseng
dc.typearticle-
dc.peerreviewedyes-
dc.volumeN/A-
dc.date.updated2024-10-08T13:17:15Z-
dc.description.versioninfo:eu-repo/semantics/acceptedVersion-
dc.identifier.doi10.1080/03081087.2024.2413653-
dc.date.embargo2025-10-07-
iscte.identifier.cienciahttps://ciencia.iscte-iul.pt/id/ci-pub-106009-
iscte.journalLinear and Multilinear Algebra-
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