Ana Nata

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All published works

Action	Title	Year	Authors
+ PDF Chat	Fields of Values of Linear Pencils and Spectral Inclusion Regions	2017	Natália Bebiano João da Providência Ana Nata João da Providência
+	Generalized Rayleigh quotients and generating vectors	2016	Natália Bebiano João da Providência Ana Nata João da Providência
+ PDF Chat	Computing the numerical range of Krein space operators	2014	Natália Bebiano João da Providência Ana Nata João da Providência
+	An inverse indefinite numerical range problem	2014	Natália Bebiano João da Providência Ana Nata João da Providência
+	Revisiting the inverse field of values problema	2014	Natália Bebiano João da Providência Ana Nata João da Providência
+	The numerical range of banded 2-Toeplitz operators in spaces with an indefinite metric	2013	Natália Bebiano João da Providência Ana Nata
+ PDF Chat	The numerical range of banded biperiodic Toeplitz operators	2012	Natália Bebiano João da Providência Ana Nata
+	Contradomínios numéricos em espaços de Hilbert e em espaços de Krein : teoria, algoritmos e implementação computacional	2011	Ana Nata
+ PDF Chat	The boundary of the Krein space tracial numerical range, an algebraic approach and a numerical algorithm	2009	Natália Bebiano Hiroshi Nakazato Ana Nata João da Providência
+ PDF Chat	Krein spaces numerical ranges and their computer generation	2008	Natália Bebiano João da Providência Ana Nata G. Soares
+	Majoraçao de grupo e integral de Haar	2000	Ana Nata

Common Coauthors

Coauthor	Papers Together
João da Providência	9
Natália Bebiano	9
João da Providência	5
G. Soares	1
Hiroshi Nakazato	1

Commonly Cited References

Action	Title	Year	Authors	# of times referenced
+ PDF Chat	Numerical ranges of an operator on an indefinite inner product space	1996	Chi-Kwong Li Nam‐Kiu Tsing Frank Uhlig	5
+ PDF Chat	Shapes and computer generation of numerical ranges of Krein space operators	1998	Chi-Kwong Li Leiba Rodman	5
+ PDF Chat	Remarks on numerical ranges of operators in spaces with an indefinite metric	1998	Chi-Kwong Li Leiba Rodman	4
+	Inequalities for J-Hermitian matrices	2005	Natália Bebiano Hiroshi Nakazato João da Providência R. Lemos G. Soares	4
+	The numerical range of a tridiagonal operator	2010	Mao-Ting Chien Hiroshi Nakazato	4
+	Numerical ranges of Toeplitz operators with matrix symbols	2011	Natália Bebiano Ilya M. Spitkovsky	4
+ PDF Chat	On Generalized Numerical Ranges of Operators on an Indefinite Inner Product Space	2004	Natália Bebiano R. Lemos João da Providência G. Soares	4
+ PDF Chat	Krein spaces numerical ranges and their computer generation	2008	Natália Bebiano João da Providência Ana Nata G. Soares	3
+ PDF Chat	Computing the numerical range of Krein space operators	2014	Natália Bebiano João da Providência Ana Nata João da Providência	3
+ PDF Chat	A method for the inverse numerical range problem	2010	Christos Chorianopoulos Panayiotis Psarrakos Frank Uhlig	3
+	Numerical range of linear pencils	2000	Panayiotis Psarrakos	3
+ PDF Chat	The numerical range of a Toeplitz operator	1972	E. M. Klein	3
+	Computer generated numerical ranges and some resulting theorems	1987	Marvin Marcus Claire Pesce	3
+ PDF Chat	The Toeplitz-Hausdorff Theorem Explained	1971	Chandler Davis	2
+	Fields of values and iterative methods	1993	Michael Eiermann	2
+	Numerical Range of Matrix Polynomials	1994	Chi-Kwong Li Leiba Rodman	2
+	An inverse indefinite numerical range problem	2014	Natália Bebiano João da Providência Ana Nata João da Providência	2
+	The c-numerical range of tridiagonal matrices	2001	Mao-Ting Chien Hiroshi Nakazato	2
+	An inverse field of values problem	2008	Frank Uhlig	2
+	On Matrices with Elliptical Numerical Ranges	2004	Ethan S. Brown Ilya M. Spitkovsky	2
+	The numerical range of linear pencils of 2-by-2 matrices	2002	Mao-Ting Chien Hiroshi Nakazato	2
+	On the numerical range of tridiagonal operators	1996	Mao-Ting Chien	2
+	Toeplitz and circulant matrices	1977	Robert M. Gray	1
+	Spectral Analysis for Linear Pencils <i>N — λP</i> of Ordinary Differential Operators	1996	А. А. Шкаликов Christiane Tretter	1
+ PDF Chat	Convexity of generalized numerical range associated with a compact Lie group	2002	Tin-Yau Tam	1
+	Convexity of the Krein space tracial numerical range and Morse theory	2009	Hiroshi Nakazato Natália Bebiano And Jo Encia	1
+	A HILBERT SPACE PROBLEM BOOK	1968	Frank Smithies	1
+	Revisiting the inverse field of values problema	2014	Natália Bebiano João da Providência Ana Nata João da Providência	1
+	Basic algebra	1974	Nathan Jacobson	1
+	Basic Algebra I.	1986	Andy R. Magid Nathan Jacobson	1
+ PDF Chat	An Extension of the Hausdorff-Toeplitz Theorem on the Numerical Range	1983	Yik-Hoi Au-Yeung Nam‐Kiu Tsing	1
+	Partial Differential Equations	2022		1
+	A Short Introduction to Perturbation Theory for Linear Operators	1982	Tosio Kato	1
+ PDF Chat	Perturbation Theory for Linear Operators	1995	Tosio Kato	1
+	Spectral Properties of Banded Toeplitz Matrices	2005	Albrecht Böttcher Sergei M. Grudsky	1
+	The eigenproblem of a tridiagonal 2-Toeplitz matrix	1994	M. J. C. Gover	1
+	The constrained bilinear form and the C-numerical range	1984	Nam‐Kiu Tsing	1
+	The envelope of the generalized numerical range<sup>∗</sup>	1998	Mao-Ting Chien	1
+	The numerical range of certain 0,1-matrices<sup>†</sup>	1979	Marvin Marcus B. N. Shure	1
+	Faster and more accurate computation of the field of values boundary for<i>n</i>by<i>n</i>matrices	2013	Frank Uhlig	1
+	Another proof of a result of Westwick	1980	Yiu‐Tung Poon	1
+	Boundary generating curves of the c-numerical range	1999	Mao-Ting Chien Hiroshi Nakazato	1
+	Nonselfadjoint spectral problems for linear pencilsN-?P of ordinary differential operators with ?-linear boundary conditions: Completeness results	1996	Christiane Tretter	1
+	Numerical range of matrices and Levinger's theorem	1995	Miroslav Fiedler	1
+ PDF Chat	Lacunas for hyperbolic differential operators with constant coefficients I	1970	Michael Atiyah R. Bott Lars Gårding	1
+	<i>c</i>-convex matrices: characterizations, inclusion relations and normality	1989	Chi-Kwong Li Chen-Han Sung Nam‐Kiu Tsing	1
+ PDF Chat	A simple algorithm for the inverse field of values problem	2009	Russell Carden	1
+	A theorem on numerical range	1975	R. Westwick	1
+ PDF Chat	Extreme points of the numerical range of a hyponormal operator.	1966	Joseph G. Stampfli	1
+	Flat portions on the boundary of the indefinite numerical range of <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" altimg="si1.gif" overflow="scroll"><mml:mrow><mml:mn>3</mml:mn><mml:mo>×</mml:mo><mml:mn>3</mml:mn></mml:mrow></mml:math> matrices	2008	Natália Bebiano João da Providência Ricardo Emanuel Cunha Teixeira	1