Operators with a given part of the numerical range

Detalhes bibliográficos
Autor(a) principal: Bracic, J.
Data de Publicação: 2016
Outros Autores: Diogo, C.
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
Texto Completo: http://hdl.handle.net/10071/12125
Resumo: Sets of operators which have a given set of numbers in the numerical range are studied. We prove an interesting result which characterizes the set of operators that have 0 in the convex hull of its spectrum. Along the way we give a simpler proof of the well known Hildebrandt’s theorem.
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spelling Operators with a given part of the numerical rangeNumerical rangeHildebrandt’s theoremSets of operators which have a given set of numbers in the numerical range are studied. We prove an interesting result which characterizes the set of operators that have 0 in the convex hull of its spectrum. Along the way we give a simpler proof of the well known Hildebrandt’s theorem.De Gruyter2016-12-02T15:52:31Z2016-01-01T00:00:00Z20162019-04-09T10:46:35Zinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleapplication/pdfhttp://hdl.handle.net/10071/12125eng0139-991810.1515/ms-2015-0134Bracic, J.Diogo, C.info:eu-repo/semantics/openAccessreponame:Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)instname:Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informaçãoinstacron:RCAAP2023-11-09T17:44:39Zoai:repositorio.iscte-iul.pt:10071/12125Portal AgregadorONGhttps://www.rcaap.pt/oai/openaireopendoar:71602024-03-19T22:21:13.328376Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) - Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informaçãofalse
dc.title.none.fl_str_mv Operators with a given part of the numerical range
title Operators with a given part of the numerical range
spellingShingle Operators with a given part of the numerical range
Bracic, J.
Numerical range
Hildebrandt’s theorem
title_short Operators with a given part of the numerical range
title_full Operators with a given part of the numerical range
title_fullStr Operators with a given part of the numerical range
title_full_unstemmed Operators with a given part of the numerical range
title_sort Operators with a given part of the numerical range
author Bracic, J.
author_facet Bracic, J.
Diogo, C.
author_role author
author2 Diogo, C.
author2_role author
dc.contributor.author.fl_str_mv Bracic, J.
Diogo, C.
dc.subject.por.fl_str_mv Numerical range
Hildebrandt’s theorem
topic Numerical range
Hildebrandt’s theorem
description Sets of operators which have a given set of numbers in the numerical range are studied. We prove an interesting result which characterizes the set of operators that have 0 in the convex hull of its spectrum. Along the way we give a simpler proof of the well known Hildebrandt’s theorem.
publishDate 2016
dc.date.none.fl_str_mv 2016-12-02T15:52:31Z
2016-01-01T00:00:00Z
2016
2019-04-09T10:46:35Z
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
format article
status_str publishedVersion
dc.identifier.uri.fl_str_mv http://hdl.handle.net/10071/12125
url http://hdl.handle.net/10071/12125
dc.language.iso.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv 0139-9918
10.1515/ms-2015-0134
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.publisher.none.fl_str_mv De Gruyter
publisher.none.fl_str_mv De Gruyter
dc.source.none.fl_str_mv reponame:Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
instname:Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação
instacron:RCAAP
instname_str Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação
instacron_str RCAAP
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reponame_str Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
collection Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos)
repository.name.fl_str_mv Repositório Científico de Acesso Aberto de Portugal (Repositórios Cientìficos) - Agência para a Sociedade do Conhecimento (UMIC) - FCT - Sociedade da Informação
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