GONZALEZ ZERBO, SANTIAGO; MAESTRIPIERI, ALEJANDRA; MARTÍNEZ PERÍA, FRANCISCO DARDO

The Kreĭn-Šmul'jan Theorem Revisited

LINEAR ALGEBRA AND ITS APPLICATIONS; Año: 2025

BARAGAÑA, ITZIAR; MARTÍNEZ PERÍA, FRANCISCO; ROCA, ALICIA; TRUNK, CARSTEN

One dimensional perturbation problem for linear relations

LINEAR ALGEBRA AND ITS APPLICATIONS; Año: 2025

GONZALEZ ZERBO, SANTIAGO; MAESTRIPIERI, ALEJANDRA; MARTÍNEZ PERÍA, FRANCISCO

Quadratic programming with one quadratic constraint in Hilbert spaces

Annals of Functional Analysis; Año: 2025 vol. 16

GONZALEZ ZERBO, SANTIAGO; MAESTRIPIERI, ALEJANDRA; MARTÍNEZ PERÍA, FRANCISCO

Linear pencils and quadratic programming problems with a quadratic constraint

LINEAR ALGEBRA AND ITS APPLICATIONS; Año: 2023 vol. 665 p. 12 - 35

HANNES GERNANDT; FRANCISCO MARTÍNEZ PERÍA; FRIEDRICH PHILIPP; CARSTEN TRUNK

ON CHARACTERISTIC INVARIANTS OF MATRIX PENCILS AND LINEAR RELATIONS

SIAM JOURNAL ON MATRIX ANALYSIS AND APPLICATIONS; Año: 2023 vol. 44 p. 1510 - 1539

CARACCIOLO, SANTIAGO FEDERICO; CAIAFA, CESAR F; MARTÍNEZ PERÍA, FRANCISCO DARDO; ARINI, PEDRO DAVID

A fast algorithm for spatiotemporal signals recovery using arbitrary dictionaries with application to electrocardiographic imaging

Biomedical Physics & Engineering Express; Lugar: Londres; Año: 2022

GONZALEZ ZERBO, SANTIAGO; MAESTRIPIERI, ALEJANDRA; MARTÍNEZ PERÍA, FRANCISCO

Indefinite least squares with a quadratic constraint

JOURNAL OF MATHEMATICAL ANALYSIS AND APPLICATIONS; Año: 2022

GONZALEZ ZERBO, SANTIAGO ; MAESTRIPIERI, ALEJANDRA; MARTÍNEZ PERÍA, FRANCISCO

Correction to: Indefinite Abstract Splines with a Quadratic Constraint

JOURNAL OF OPTIMIZATION THEORY AND APPLICATIONS; Año: 2021

GONZALEZ ZERBO, SANTIAGO; MAESTRIPIERI, ALEJANDRA; MARTÍNEZ PERÍA, FRANCISCO

Regularization of an indefinite abstract interpolation problem with a quadratic constraint

REVISTA DE LA UNIóN MATEMáTICA ARGENTINA; Lugar: Bahia Blanca; Año: 2021 vol. 62 p. 475 - 490

LEBEN, LESLIE; MARTÍNEZ PERÍA, FRANCISCO; PHILIPP, FRIEDRICH; TRUNK, CARSTEN; WINKLER, HENRIK

Finite Rank Perturbations of Linear Relations and Matrix Pencils

COMPLEX ANALYSIS AND OPERATOR THEORY; Año: 2021 vol. 15

GIRIBET, JUAN; LANGER, MATTHIAS; MARTÍNEZ PERÍA, FRANCISCO; PHILIPP, FRIEDRICH; TRUNK, CARSTEN

Spectral enclosures for a class of block operator matrices

JOURNAL OF FUNCTIONAL ANALYSIS; Año: 2020

GONZALEZ ZERBO, SANTIAGO; MAESTRIPIERI, ALEJANDRA; MARTÍNEZ PERÍA, FRANCISCO

Indefinite Abstract Splines with a Quadratic Constraint

JOURNAL OF OPTIMIZATION THEORY AND APPLICATIONS; Año: 2020

BERGER, THOMAS; GIRIBET, JUAN IGNACIO; MARTÍNEZ PERÍA, FRANCISCO; TRUNK, CARSTEN

On a class of non-Hermitian matrices with positive definite Schur complements

PROCEEDINGS OF THE AMERICAN MATHEMATICAL SOCIETY; Lugar: Providence; Año: 2019 vol. 147 p. 2375 - 2388

GIRIBET, JUAN IGNACIO; MAESTRIPIERI, ALEJANDRA; MARTÍNEZ PERÍA, FRANCISCO

Duality for frames in Krein spaces

MATHEMATISCHE NACHRICHTEN; Año: 2018 vol. 291 p. 879 - 896

JUAN IGNACIO GIRIBET; MATTHIAS LANGER; LESLIE LEBEN; ALEJANDRA MAESTRIPIERI; FRANCISCO MARTÍNEZ PERÍA; CARSTEN TRUNK

Spectrum of J-frame operators

Opuscula Mathematica; Lugar: Cracovia; Año: 2018 vol. 38 p. 623 - 649

JUAN IGNACIO GIRIBET; ALEJANDRA MAESTRIPIERI; FRANCISCO MARTÍNEZ PERÍA

Optimal normal projections in Krein spaces

LINEAR ALGEBRA AND ITS APPLICATIONS; Lugar: Amsterdam; Año: 2016 vol. 490 p. 77 - 101

JUSSI BEHRNDT; LESLIE LEBEN; FRANCISCO MARTÍNEZ PERÍA; ROLAND MÖWS; CARSTEN TRUNK

Sharp eigenvalue estimates for rank one perturbations of nonnegative operators in Krein spaces

JOURNAL OF MATHEMATICAL ANALYSIS AND APPLICATIONS; Lugar: Amsterdam; Año: 2016 vol. 439 p. 864 - 895

JUSSI BEHRNDT; LESLIE LEBEN; FRANCISCO MARTÍNEZ PERÍA; CARSTEN TRUNK

The effect of finite rank perturbations on Jordan chains of linear operators

LINEAR ALGEBRA AND ITS APPLICATIONS; Lugar: Amsterdam; Año: 2015 vol. 479 p. 118 - 130

EDUARDO CHIUMIENTO; FRANCISCO MARTÍNEZ PERÍA; ALEJANDRA MAESTRIPIERI

On the geometry of normal projections in Krein spaces

JOURNAL OF OPERATOR THEORY; Lugar: Bucharest; Año: 2015 vol. 74 p. 101 - 125

JUAN IGNACIO GIRIBET; ALEJANDRA MAESTRIPIERI; FRANCISCO MARTÍNEZ PERÍA

Indefinite least-squares problems and pseudo-regularity

JOURNAL OF MATHEMATICAL ANALYSIS AND APPLICATIONS; Lugar: Amsterdam; Año: 2015 vol. 430 p. 895 - 908

ALEJANDRA MAESTRIPIERI; FRANCISCO MARTÍNEZ PERÍA

Normal projections in Krein spaces

INTEGRAL EQUATIONS AND OPERATOR THEORY; Lugar: BASEL; Año: 2013 vol. 76 p. 357 - 380

JUAN IGNACIO GIRIBET; ALEJANDRA MAESTRIPIERI; FRANCISCO MARTÍNEZ PERÍA; PEDRO MASSEY

On frames for Krein spaces

JOURNAL OF MATHEMATICAL ANALYSIS AND APPLICATIONS; Año: 2012 vol. 393 p. 122 - 137

JUAN IGNACIO GIRIBET; ALEJANDRA MAESTRIPIERI; FRANCISCO MARTÍNEZ PERÍA

A Geometrical Approach to Indefinite Least Squares Problems

ACTA APPLICANDAE MATHEMATICAE; Lugar: Berlin; Año: 2010 vol. 111 p. 65 - 81

JUAN IGNACIO GIRIBET; ALEJANDRA MAESTRIPIERI; FRANCISCO MARTÍNEZ PERÍA

Abstract splines in Krein spaces

JOURNAL OF MATHEMATICAL ANALYSIS AND APPLICATIONS; Lugar: Amsterdam; Año: 2010 vol. 369 p. 423 - 436

JUAN IGNACIO GIRIBET; ALEJANDRA MAESTRIPIERI; FRANCISCO MARTÍNEZ PERÍA

Shorting selfadjoint operators in Hilbert spaces

LINEAR ALGEBRA AND ITS APPLICATIONS; Año: 2008 vol. 428 p. 1899 - 1911

ALEJANDRA MAESTRIPIERI; FRANCISCO MARTÍNEZ PERÍA

Schur complements in Krein spaces

INTEGRAL EQUATIONS AND OPERATOR THEORY; Año: 2007 vol. 59 p. 207 - 221

ALEJANDRA MAESTRIPIERI; FRANCISCO MARTÍNEZ PERÍA

Decomposition of Selfadjoint Projections in Krein Spaces

ACTA SCIENTIARUM MATHEMATICARUM (SZEGED); Año: 2006 vol. 72 p. 611 - 638

FRANCISCO MARTÍNEZ PERÍA; PEDRO MASSEY; LUIS SILVESTRE

Weak matrix majorization

LINEAR ALGEBRA AND ITS APPLICATIONS; Año: 2005 vol. 403 p. 343 - 368