Cristina Isabel Correia Diogo
AuthID: R-000-3Y9
1
TITLE: S-spectrum and numerical range of a quaternionic operator Full Text
AUTHORS: Carvalho, Luis; Diogo, Cristina; Mendes, Sergio;
PUBLISHED: 2023, SOURCE: JOURNAL OF MATHEMATICAL ANALYSIS AND APPLICATIONS, VOLUME: 519, ISSUE: 2
AUTHORS: Carvalho, Luis; Diogo, Cristina; Mendes, Sergio;
PUBLISHED: 2023, SOURCE: JOURNAL OF MATHEMATICAL ANALYSIS AND APPLICATIONS, VOLUME: 519, ISSUE: 2
2
TITLE: A note on the essential numerical range of block diagonal operators Full Text
AUTHORS: Carvalho, Luis; Diogo, Cristina; Mendes, Sergio; Soares, Helena;
PUBLISHED: 2023, SOURCE: FORUM MATHEMATICUM
AUTHORS: Carvalho, Luis; Diogo, Cristina; Mendes, Sergio; Soares, Helena;
PUBLISHED: 2023, SOURCE: FORUM MATHEMATICUM
6
TITLE: Faces of sets of operators with the numerical range in aprescribed polyhedron Full Text
AUTHORS: Diogo, C;
PUBLISHED: 2020, SOURCE: JOURNAL OF MATHEMATICAL ANALYSIS AND APPLICATIONS, VOLUME: 490, ISSUE: 2
AUTHORS: Diogo, C;
PUBLISHED: 2020, SOURCE: JOURNAL OF MATHEMATICAL ANALYSIS AND APPLICATIONS, VOLUME: 490, ISSUE: 2
8
TITLE: On the convexity and circularity of the numerical range of nilpotent quaternionic matrices
AUTHORS: Luis Carvalho; Cristina Diogo; Sergio Mendes;
PUBLISHED: 2019, SOURCE: NEW YORK JOURNAL OF MATHEMATICS, VOLUME: 25
AUTHORS: Luis Carvalho; Cristina Diogo; Sergio Mendes;
PUBLISHED: 2019, SOURCE: NEW YORK JOURNAL OF MATHEMATICS, VOLUME: 25
INDEXED IN: WOS
9
TITLE: On the convexity and circularity of the numerical range of nilpotent quaternionic matrices
AUTHORS: Carvalho, L; Diogo, C; Mendes, S;
PUBLISHED: 2019, SOURCE: New York Journal of Mathematics, VOLUME: 25
AUTHORS: Carvalho, L; Diogo, C; Mendes, S;
PUBLISHED: 2019, SOURCE: New York Journal of Mathematics, VOLUME: 25
INDEXED IN: Scopus
IN MY: ORCID