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
INDEXED IN: 
Scopus 
WOS
Scopus WOS2
TITLE: A new perspective on the quaternionic numerical range of normal matrices Full Text
AUTHORS: Carvalho, Luis; Diogo, Cristina; Mendes, Sergio;
PUBLISHED: 2022, SOURCE: LINEAR & MULTILINEAR ALGEBRA, VOLUME: 70, ISSUE: 20
AUTHORS: Carvalho, Luis; Diogo, Cristina; Mendes, Sergio;
PUBLISHED: 2022, SOURCE: LINEAR & MULTILINEAR ALGEBRA, VOLUME: 70, ISSUE: 20
INDEXED IN: WOS
WOS3
TITLE: Quaternionic numerical range of complex matrices Full Text
AUTHORS: Carvalho, L; Diogo, C; Mendes, S;
PUBLISHED: 2021, SOURCE: LINEAR ALGEBRA AND ITS APPLICATIONS, VOLUME: 620
AUTHORS: Carvalho, L; Diogo, C; Mendes, S;
PUBLISHED: 2021, SOURCE: LINEAR ALGEBRA AND ITS APPLICATIONS, VOLUME: 620
INDEXED IN: Scopus WOS
Scopus WOS4
TITLE: A new perspective on the quaternionic numerical range of normal matrices Full Text
AUTHORS: Carvalho, L; Diogo, C; Mendes, S;
PUBLISHED: 2021, SOURCE: LINEAR & MULTILINEAR ALGEBRA
AUTHORS: Carvalho, L; Diogo, C; Mendes, S;
PUBLISHED: 2021, SOURCE: LINEAR & MULTILINEAR ALGEBRA
INDEXED IN: Scopus WOS
Scopus WOS5
TITLE: The star-center of the quaternionic numerical range
AUTHORS: Luis Carvalho; Cristina Diogo; Sergio Mendes;
PUBLISHED: 2020, SOURCE: LINEAR ALGEBRA AND ITS APPLICATIONS, VOLUME: 603
AUTHORS: Luis Carvalho; Cristina Diogo; Sergio Mendes;
PUBLISHED: 2020, SOURCE: LINEAR ALGEBRA AND ITS APPLICATIONS, VOLUME: 603
INDEXED IN: Scopus WOS
Scopus WOS6
TITLE: Faces of sets of operators with the numerical range in aprescribed polyhedron Full Text
AUTHORS: Cristina Diogo;
PUBLISHED: 2020, SOURCE: JOURNAL OF MATHEMATICAL ANALYSIS AND APPLICATIONS, VOLUME: 490, ISSUE: 2
AUTHORS: Cristina Diogo;
PUBLISHED: 2020, SOURCE: JOURNAL OF MATHEMATICAL ANALYSIS AND APPLICATIONS, VOLUME: 490, ISSUE: 2
INDEXED IN: Scopus WOS
Scopus WOS7
TITLE: Technologies and Senior Population: Challenges and Opportunities
AUTHORS: Alcobia, AR; Alturas, B; Diogo, C;
PUBLISHED: 2020, SOURCE: 15th Iberian Conference on Information Systems and Technologies (CISTI) in 2020 15TH IBERIAN CONFERENCE ON INFORMATION SYSTEMS AND TECHNOLOGIES (CISTI'2020)
AUTHORS: Alcobia, AR; Alturas, B; Diogo, C;
PUBLISHED: 2020, SOURCE: 15th Iberian Conference on Information Systems and Technologies (CISTI) in 2020 15TH IBERIAN CONFERENCE ON INFORMATION SYSTEMS AND TECHNOLOGIES (CISTI'2020)
INDEXED IN: WOS
WOS8
TITLE: A bridge between quaternionic and complex numerical ranges Full Text
AUTHORS: Luis Carvalho; Cristina Diogo; Sergio Mendes;
PUBLISHED: 2019, SOURCE: LINEAR ALGEBRA AND ITS APPLICATIONS, VOLUME: 581
AUTHORS: Luis Carvalho; Cristina Diogo; Sergio Mendes;
PUBLISHED: 2019, SOURCE: LINEAR ALGEBRA AND ITS APPLICATIONS, VOLUME: 581
INDEXED IN: Scopus WOS
Scopus WOS9
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
WOS10
TITLE: REFLEXIVE SETS OF OPERATORS Full Text
AUTHORS: Janko Bracic; Cristina Diogo; Michal Zajac;
PUBLISHED: 2018, SOURCE: BANACH JOURNAL OF MATHEMATICAL ANALYSIS, VOLUME: 12, ISSUE: 3
AUTHORS: Janko Bracic; Cristina Diogo; Michal Zajac;
PUBLISHED: 2018, SOURCE: BANACH JOURNAL OF MATHEMATICAL ANALYSIS, VOLUME: 12, ISSUE: 3
INDEXED IN: WOS
WOS