Sérgio Manuel Moço Nunes Mendes
AuthID: R-000-SRH
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: METRIC FUNCTIONALS FOR THE HÄSTÖ METRIC
AUTHORS: Bettencourt, G; Mendes, S;
PUBLISHED: 2023, SOURCE: Australian Journal of Mathematical Analysis and Applications, VOLUME: 20, ISSUE: 1
AUTHORS: Bettencourt, G; Mendes, S;
PUBLISHED: 2023, SOURCE: Australian Journal of Mathematical Analysis and Applications, VOLUME: 20, ISSUE: 1
INDEXED IN: Scopus
Scopus3
TITLE: Numerical representation of topological real algebras Full Text
AUTHORS: Gastão Bettencourt; Sérgio Mendes;
PUBLISHED: 2023, SOURCE: Revista Colombiana de Matematicas, VOLUME: 57, ISSUE: 1
AUTHORS: Gastão Bettencourt; Sérgio Mendes;
PUBLISHED: 2023, SOURCE: Revista Colombiana de Matematicas, VOLUME: 57, ISSUE: 1
INDEXED IN: Scopus
Scopus4
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 WOS5
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 WOS6
TITLE: Vector bundles E on P-3 with homological dimension 2 and chi(End E)=1 Full Text
AUTHORS: Mendes, S; Miro Roig, RM; Soares, H;
PUBLISHED: 2021, SOURCE: FORUM MATHEMATICUM, VOLUME: 33, ISSUE: 3
AUTHORS: Mendes, S; Miro Roig, RM; Soares, H;
PUBLISHED: 2021, SOURCE: FORUM MATHEMATICUM, VOLUME: 33, ISSUE: 3
INDEXED IN: Scopus WOS
Scopus WOS7
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 WOS8
TITLE: A NOTE ON THE MINIMAL DISPLACEMENT FUNCTION Full Text
AUTHORS: Gastao Bettencourt; Sergio Mendes;
PUBLISHED: 2020, SOURCE: MATEMATICKI VESNIK, VOLUME: 72, ISSUE: 4
AUTHORS: Gastao Bettencourt; Sergio Mendes;
PUBLISHED: 2020, SOURCE: MATEMATICKI VESNIK, VOLUME: 72, ISSUE: 4
INDEXED IN: WOS
WOS9
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 WOS10
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
WOS