S-spectrum and numerical range of a quaternionic operator

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dc.contributor.authorCarvalho, L.
dc.contributor.authorDiogo, C.
dc.contributor.authorMendes, S.
dc.date.accessioned2023-03-02T09:37:23Z
dc.date.issued2023
dc.date.updated2023-03-02T09:35:24Z
dc.description.abstractWe study the numerical range of bounded linear operators on quaternionic Hilbert spaces and its relation with the S-spectrum. The class of complex operators on quaternionic Hilbert spaces is introduced and the upper bild of normal complex operators is completely characterized in this setting.eng
dc.description.versioninfo:eu-repo/semantics/acceptedVersion
dc.identifier.citationCarvalho, L., Diogo, C., & Mendes, S. (2023). S-spectrum and numerical range of a quaternionic operator. Journal of Mathematical Analysis and Applications, 519(2), 126834. http://dx.doi.org/10.1016/j.jmaa.2022.126834
dc.identifier.doi10.1016/j.jmaa.2022.126834
dc.identifier.issn0022-247X
dc.identifier.urihttp://hdl.handle.net/10071/28118
dc.language.isoeng
dc.number2
dc.peerreviewedyes
dc.publisherElsevier
dc.relationinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDB%2F00212%2F2020/PT
dc.relationUID/MAT/04459/2020
dc.rightsopen access
dc.subject.fosDomínio/Área Científica::Ciências Naturais::Matemáticaspor
dc.titleS-spectrum and numerical range of a quaternionic operatoreng
dc.typearticle
dc.volume519
dspace.entity.typePublicationen
iscte.alternateIdentifiers.scopus2-s2.0-85141973459
iscte.identifier.cienciahttps://ciencia.iscte-iul.pt/id/ci-pub-91449
iscte.journalJournal of Mathematical Analysis and Applications

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