Natalia Isabel Quadros Bebiano Pinheiro da Providencia e Costa
AuthID: R-000-DFA
61
TITLE: Indefinite numerical range of 3×3 matrices
AUTHORS: Ricardo E C Teixeira; Natália Bebiano; João d Providência;
PUBLISHED: 2009, SOURCE: Czechoslovak Mathematical Journal, VOLUME: 59, ISSUE: 1
AUTHORS: Ricardo E C Teixeira; Natália Bebiano; João d Providência;
PUBLISHED: 2009, SOURCE: Czechoslovak Mathematical Journal, VOLUME: 59, ISSUE: 1
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Handle
Handle62
TITLE: Flat portions on the boundary of the indefinite numerical range of <math><mrow><mn>3</mn><mo>×</mo><mn>3</mn></mrow></math> matrices
Full Text
AUTHORS: Bebiano, N; da Providência, J; Teixeira, R;
PUBLISHED: 2008, SOURCE: Linear Algebra and its Applications, VOLUME: 428, ISSUE: 11-12
AUTHORS: Bebiano, N; da Providência, J; Teixeira, R;
PUBLISHED: 2008, SOURCE: Linear Algebra and its Applications, VOLUME: 428, ISSUE: 11-12
63
TITLE: Flat portions on the boundary of the indefinite numerical range of 3×3 matrices
AUTHORS: Ricardo E C Teixeira; Natália Bebiano; João d Providência;
PUBLISHED: 2008, SOURCE: Linear Algebra and its Applications, VOLUME: 428, ISSUE: 11-12
AUTHORS: Ricardo E C Teixeira; Natália Bebiano; João d Providência;
PUBLISHED: 2008, SOURCE: Linear Algebra and its Applications, VOLUME: 428, ISSUE: 11-12
INDEXED IN: Handle
Handle64
TITLE: The Elliptical and the Hyperbolical Range Theorems Revisited
AUTHORS: Ricardo E C Teixeira; Natália Bebiano; João d Providência;
PUBLISHED: 2007
AUTHORS: Ricardo E C Teixeira; Natália Bebiano; João d Providência;
PUBLISHED: 2007
INDEXED IN: Handle
Handle65
TITLE: "McDonaldizar" a Matemática da geração Nintendo?
AUTHORS: Natália B Providência; João d Jr. Providência;
PUBLISHED: 2001, SOURCE: Millenium
AUTHORS: Natália B Providência; João d Jr. Providência;
PUBLISHED: 2001, SOURCE: Millenium
INDEXED IN: Handle
Handle66
TITLE: ON A RECENT DETERMINATAL INEQUALITY Full Text
AUTHORS: BEBIANO, N; MIRANDA, ME;
PUBLISHED: 1994, SOURCE: LINEAR ALGEBRA AND ITS APPLICATIONS, VOLUME: 201
AUTHORS: BEBIANO, N; MIRANDA, ME;
PUBLISHED: 1994, SOURCE: LINEAR ALGEBRA AND ITS APPLICATIONS, VOLUME: 201
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WOS IN MY: ResearcherID
ResearcherID67
TITLE: On a recent determinantal inequality Full Text
AUTHORS: Bebiano, N; M.E Miranda;
PUBLISHED: 1994, SOURCE: Linear Algebra and its Applications, VOLUME: 201
AUTHORS: Bebiano, N; M.E Miranda;
PUBLISHED: 1994, SOURCE: Linear Algebra and its Applications, VOLUME: 201
68
TITLE: Some Geometrical Properties of the c-Numerical Range of a Normal Matrix
AUTHORS: Natália Bebiano; João Da Providência;
PUBLISHED: 1994, SOURCE: Linear and Multilinear Algebra, VOLUME: 37, ISSUE: 1-3
AUTHORS: Natália Bebiano; João Da Providência;
PUBLISHED: 1994, SOURCE: Linear and Multilinear Algebra, VOLUME: 37, ISSUE: 1-3
69
TITLE: The validity of the Marcus-de Oliveira conjecture for essentially Hermitian matrices
AUTHORS: Natália Bebiano; Alexander Kovačec; João da Providência;
PUBLISHED: 1994, SOURCE: Linear Algebra and its Applications, VOLUME: 197-198
AUTHORS: Natália Bebiano; Alexander Kovačec; João da Providência;
PUBLISHED: 1994, SOURCE: Linear Algebra and its Applications, VOLUME: 197-198
70
TITLE: Some Results on the Numerical Range of a Derivation
AUTHORS: Natália Bebiano; Chi-Kwong Li; João Providência;
PUBLISHED: 1993, SOURCE: SIAM. J. Matrix Anal. & Appl. - SIAM Journal on Matrix Analysis and Applications, VOLUME: 14, ISSUE: 4
AUTHORS: Natália Bebiano; Chi-Kwong Li; João Providência;
PUBLISHED: 1993, SOURCE: SIAM. J. Matrix Anal. & Appl. - SIAM Journal on Matrix Analysis and Applications, VOLUME: 14, ISSUE: 4
