Natalia Isabel Quadros Bebiano Pinheiro da Providencia e Costa
AuthID: R-000-DFA
1
TITLE: On the ellipticity of the higher rank numerical range Full Text
AUTHORS: Bebiano, N.; Lemos, R.; Soares, G.;
PUBLISHED: 2026, SOURCE: JOURNAL OF MATHEMATICAL ANALYSIS AND APPLICATIONS, VOLUME: 560, ISSUE: 2
AUTHORS: Bebiano, N.; Lemos, R.; Soares, G.;
PUBLISHED: 2026, SOURCE: JOURNAL OF MATHEMATICAL ANALYSIS AND APPLICATIONS, VOLUME: 560, ISSUE: 2
2
TITLE: Krein space numerical range of block matrices: a unified approach to the hyperbolic case
AUTHORS: Bebiano, N.; Lemos, R.; Soares, G.;
PUBLISHED: 2026, SOURCE: LINEAR ALGEBRA AND ITS APPLICATIONS, VOLUME: 740
AUTHORS: Bebiano, N.; Lemos, R.; Soares, G.;
PUBLISHED: 2026, SOURCE: LINEAR ALGEBRA AND ITS APPLICATIONS, VOLUME: 740
3
TITLE: A pseudo-Jacobi inverse eigenvalue problem with a rank-one modification Full Text
AUTHORS: Xu, Wei Ru; Shu, Qian Yu; Bebiano, Natalia;
PUBLISHED: 2025, SOURCE: APPLIED MATHEMATICS AND COMPUTATION, VOLUME: 488
AUTHORS: Xu, Wei Ru; Shu, Qian Yu; Bebiano, Natalia;
PUBLISHED: 2025, SOURCE: APPLIED MATHEMATICS AND COMPUTATION, VOLUME: 488
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Scopus WOS4
TITLE: Matrices with hyperbolical Krein space numerical range
AUTHORS: Bebiano, N.; Lemos, R.; Soares, G.;
PUBLISHED: 2025, SOURCE: ADVANCES IN OPERATOR THEORY, VOLUME: 10, ISSUE: 1
AUTHORS: Bebiano, N.; Lemos, R.; Soares, G.;
PUBLISHED: 2025, SOURCE: ADVANCES IN OPERATOR THEORY, VOLUME: 10, ISSUE: 1
5
TITLE: Revisiting the Marcus-de Oliveira Conjecture Full Text
AUTHORS: Bebiano, Natalia; da Providencia, Joao P.;
PUBLISHED: 2025, SOURCE: MATHEMATICS, VOLUME: 13, ISSUE: 5
AUTHORS: Bebiano, Natalia; da Providencia, Joao P.;
PUBLISHED: 2025, SOURCE: MATHEMATICS, VOLUME: 13, ISSUE: 5
6
TITLE: Algebraic curves associated with centrosymmetric matrices of orders up to 6
AUTHORS: Bebiano, N.; Lemos, R.; Soares, G. ;
PUBLISHED: 2024, SOURCE: ADVANCES IN OPERATOR THEORY, VOLUME: 9, ISSUE: 3
AUTHORS: Bebiano, N.; Lemos, R.; Soares, G. ;
PUBLISHED: 2024, SOURCE: ADVANCES IN OPERATOR THEORY, VOLUME: 9, ISSUE: 3
7
TITLE: J-selfadjoint matrix means and their indefinite inequalities
AUTHORS: Bebiano, N.; Lemos, R.; Soares, G. ;
PUBLISHED: 2024, SOURCE: ACTA SCIENTIARUM MATHEMATICARUM
AUTHORS: Bebiano, N.; Lemos, R.; Soares, G. ;
PUBLISHED: 2024, SOURCE: ACTA SCIENTIARUM MATHEMATICARUM
8
TITLE: ON THE NUMERICAL RANGE OF KAC-SYLVESTER MATRICES
AUTHORS: Bebiano, N.; Lemos, R.; Soares, G. ;
PUBLISHED: 2023, SOURCE: ELECTRONIC JOURNAL OF LINEAR ALGEBRA, VOLUME: 39
AUTHORS: Bebiano, N.; Lemos, R.; Soares, G. ;
PUBLISHED: 2023, SOURCE: ELECTRONIC JOURNAL OF LINEAR ALGEBRA, VOLUME: 39
9
TITLE: A divide-and-conquer method for constructing a pseudo-Jacobi matrix from mixed given data
AUTHORS: Xu, Wei Ru; Bebiano, Natalia; Shu, Qian Yu; Feng, Ting Ting;
PUBLISHED: 2023, SOURCE: LINEAR ALGEBRA AND ITS APPLICATIONS, VOLUME: 674
AUTHORS: Xu, Wei Ru; Bebiano, Natalia; Shu, Qian Yu; Feng, Ting Ting;
PUBLISHED: 2023, SOURCE: LINEAR ALGEBRA AND ITS APPLICATIONS, VOLUME: 674
10
TITLE: On the hyperbolicity of the Krein space numerical range
AUTHORS: Bebiano, N.; Lemos, R.; Soares, G. ;
PUBLISHED: 2023, SOURCE: LINEAR & MULTILINEAR ALGEBRA
AUTHORS: Bebiano, N.; Lemos, R.; Soares, G. ;
PUBLISHED: 2023, SOURCE: LINEAR & MULTILINEAR ALGEBRA
