Publikationen in Zusammenarbeit mit Forschern von Universidad de Buenos Aires (52)

2024

  1. Matrix representations of multivalued projections and least squares problems

    Journal of Mathematical Analysis and Applications, Vol. 530, Núm. 1

  2. Polyak's theorem on Hilbert spaces

    Optimization, Vol. 73, Núm. 4, pp. 953-967

  3. Semiclosed multivalued projections

    Linear Algebra and Its Applications, Vol. 683, pp. 180-200

2022

  1. A matrix formula for Schur complements of nonnegative selfadjoint linear relations

    Linear Algebra and Its Applications, Vol. 654, pp. 143-176

  2. Idempotent linear relations

    Journal of Mathematical Analysis and Applications, Vol. 516, Núm. 2

2021

  1. Global solutions of approximation problems in Hilbert spaces

    Linear and Multilinear Algebra, Vol. 69, Núm. 13, pp. 2510-2526

  2. Products of Positive Operators

    Complex Analysis and Operator Theory, Vol. 15, Núm. 2

  3. Semiclosed projections and applications

    Journal of Mathematical Analysis and Applications, Vol. 504, Núm. 1

  4. Total least squares problems on infinite dimensional spaces

    Inverse Problems, Vol. 37, Núm. 4

2020

  1. A note on generalized Fujii-Wilson conditions and BMO spaces

    Israel Journal of Mathematics, Vol. 238, Núm. 2, pp. 571-591

  2. Weighted operator least squares problems and the J-trace in Krein spaces

    Mathematische Nachrichten, Vol. 293, Núm. 9, pp. 1730-1745

2019

  1. Multilinear Marcinkiewicz-Zygmund Inequalities

    Journal of Fourier Analysis and Applications, Vol. 25, Núm. 1, pp. 51-85

  2. Schur complements of selfadjoint Krein space operators

    Linear Algebra and Its Applications, Vol. 581, pp. 214-246

  3. Shorted operators and minus order

    Linear and Multilinear Algebra, Vol. 67, Núm. 11, pp. 2173-2190

2018

  1. Operator Least Squares Problems and Moore–Penrose Inverses in Krein Spaces

    Integral Equations and Operator Theory, Vol. 90, Núm. 3

2017

  1. Weighted Procrustes problems

    Journal of Mathematical Analysis and Applications, Vol. 445, Núm. 1, pp. 443-458

  2. Weighted least squares solutions of the equation AXB − C = 0

    Linear Algebra and Its Applications, Vol. 518, pp. 177-197

2012

  1. Orbits of non-elliptic disc automorphisms on H p

    Journal of Mathematical Analysis and Applications, Vol. 388, Núm. 2, pp. 1013-1026

2011

  1. Sharp bounds for the number of roots of univariate fewnomials

    Journal of Number Theory, Vol. 131, Núm. 7, pp. 1209-1228

2009

  1. The number of roots of a lacunary bivariate polynomial on a line

    Journal of Symbolic Computation, Vol. 44, Núm. 9, pp. 1280-1284