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Browsing by Author Diogo, C.

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Issue DateTitleAuthor(s)TypeAccess Type
2015Algebraic properties of the set of operators with 0 in the closure of the numerical range10071/8931Diogo, C.articleopenAccess
2010Fredholmness of Toeplitz operators and corona problems10071/10066Câmara, M. C.; Diogo, C.; Rodman, L.articleembargoedAccess
2015Hildebrandt's theorem for the essential spectrum10071/8932Bracic, J.; Diogo, C.articleopenAccess
2008Invertibility of Toeplitz operators and corona conditions in a strip10071/5622Câmara, M. C.; Diogo, C.articlerestrictedAccess
2021A new perspective on the quaternionic numerical range of normal matrices10071/22398Carvalho, L.; Diogo, C.; Mendes, S.articleopenAccess
2019On the convexity and circularity of the numerical range of nilpotent quaternionic matrices10071/20172Carvalho, L.; Mendes, S.; Diogo, C.articleopenAccess
2016Operators with a given part of the numerical range10071/12125Bracic, J.; Diogo, C.articleopenAccess
2021Quaternionic numerical range of complex matrices10071/22382Carvalho, L.; Diogo, C.; Mendes, S.articleembargoedAccess
2015Relative numerical ranges10071/10831Bracic, J.; Diogo, C.articleopenAccess
2017Simultaneous zero inclusion property for spatial numerical ranges10071/13071Bracic, J.; Diogo, C.articleembargoedAccess
2010Some properties of the kernel and the cokernel of Toeplitz operators with matrix symbols10071/10067Benhida, B.; Câmara, M. C.; Diogo, C.articleembargoedAccess
2020The star-center of the quaternionic numerical range10071/20623Carvalho, L.; Diogo, C.; Mendes, S.articleembargoedAccess
2015Toeplitz operators of finite interval type and the table method10071/10828Câmara, M. C.; Diogo, C.; Spitkovsky, I. M.articleopenAccess