When is a product of EP elements again EP?

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dc.contributor.authorMary, Xavier
dc.contributor.authorPatrício, Pedro
dc.date.accessioned2026-01-22T17:09:15Z
dc.date.embargo2027-01-01
dc.date.issued2026
dc.description.abstractIn this paper, we give necessary and sufficient conditions for a product of EP elements to be EP, in Dedekind-finite ∗-rings. The proofs rely on descriptions of Morita contexts (via Peirce matrix forms) as corner rings of 2x2 matrix rings.eng
dc.description.sponsorshipThis research was financed by Laboratoire Modal’X, Université Paris Nanterre, and by Portuguese Funds through FCT (Fundação para a Ciência e a Tecnologia) within the Project UID/00013: Centro de Matemática da Universidade do Minho (CMAT/UM).
dc.distributioninternational
dc.identifier.citationXavier Mary & Pedro Patrício (28 Jan 2026): When is a product of EP elements again EP?, Linear and Multilinear Algebra, DOI: 10.1080/03081087.2026.2620628
dc.identifier.doi10.1080/03081087.2026.2620628
dc.identifier.eissn1563-5139
dc.identifier.issn0308-1087
dc.identifier.urihttps://hdl.handle.net/1822/99303
dc.language.isoeng
dc.peerreviewedyes
dc.publisherTaylor and Francis
dc.relationCenter of Mathematics of the University of Minho [UID/00013/2025]
dc.relation.hasversionhttps://www.tandfonline.com/doi/full/10.1080/03081087.2026.2620628
dc.rightsembargoedAccess (1 Year)
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/
dc.subjectGeneralized inverse
dc.subjectgroup inverse
dc.subjectMoore-Penrose inverse
dc.subjectDedekind-finite rings
dc.subject.fosCiências Naturais::Matemáticas
dc.subject.jelC: Mathematical and Quantitative Methods
dc.subject.odsEducação de qualidade
dc.titleWhen is a product of EP elements again EP?eng
dc.typearticle
dspace.entity.typePublication
oaire.awardNumberUID/00013/2025
oaire.awardTitleCenter of Mathematics of the University of Minho [UID/00013/2025]
oaire.awardURIhttps://hdl.handle.net/1822/98696
oaire.citationEndPage254por
oaire.citationIssue3por
oaire.citationStartPage242por
oaire.citationVolume74por
oaire.funderIdentifierhttp://doi.org/10.13039/501100001871
oaire.funderNameFundação para a Ciência e a Tecnologia, I.P.
oaire.fundingStreamAvaliação UID 2023/2024
oaire.versionhttp://purl.org/coar/version/c_ab4af688f83e57aa
relation.isProjectOfPublication83e6638e-0b9e-4d3c-9003-8643f0f3ddee
relation.isProjectOfPublication.latestForDiscovery83e6638e-0b9e-4d3c-9003-8643f0f3ddee
sdum.journalLinear and Multilinear Algebra

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