Publications (46) Publications de ALBERTO BOROBIA VIZMANOS

2023

  1. On the consistency of the matrix equation X T A X = B when B is skew-symmetric: improving the previous characterization

    Linear and Multilinear Algebra

  2. On the consistency of the matrix equation X⊤AX= B when B is symmetric: the case where CFC(A) includes skew-symmetric blocks

    Revista de la Real Academia de Ciencias Exactas, Fisicas y Naturales - Serie A: Matematicas, Vol. 117, Núm. 2

  3. The equation X ⊤ AX=B with B skew-symmetric: how much of a bilinear form is skew-symmetric?

    Linear and Multilinear Algebra, Vol. 71, Núm. 13, pp. 2114-2143

2021

  1. Nonsparse companion hessenberg matrices

    Electronic Journal of Linear Algebra, Vol. 37, pp. 193-210

  2. On the Consistency of the Matrix Equation X⊤AX= B when B is Symmetric

    Mediterranean Journal of Mathematics, Vol. 18, Núm. 2

2020

  1. A phase II, single-center, double-blind, randomized placebo-controlled trial to explore the efficacy and safety of intravenous melatonin in patients with COVID-19 admitted to the intensive care unit (MelCOVID study): A structured summary of a study protocol for a randomized controlled trial

    Trials, Vol. 21, Núm. 1

  2. Clinical trial to test the efficacy of melatonin in COVID-19

    Journal of Pineal Research

2019

  1. The WST-decomposition for partial matrices

    Linear Algebra and Its Applications, Vol. 564, pp. 95-125

  2. Álgebra lineal y geometría vectorial

    Sanz y Torres

2017

  1. ACI-matrices of constant rank over arbitrary fields

    Linear Algebra and Its Applications, Vol. 527, pp. 232-259

  2. Fillmore's theorem for integer matrices

    Linear Algebra and Its Applications, Vol. 531, pp. 281-284

  3. The real nonnegative inverse eigenvalue problem is NP-hard

    Linear Algebra and Its Applications, Vol. 522, pp. 127-139

2015

  1. Matemáticas para ciencias ambientales: álgebra lineal y ecuaciones diferenciales

    Sanz y Torres

  2. Álgebra lineal y geometría vectorial

    Sanz y Torres

2014

  1. A matrix completion problem over integral domains: the case with 2n — 3 prescribed blocks

    Proyecciones: Journal of Mathematics, Vol. 33, Núm. 2, pp. 215-233

  2. A note on matrices with prescribed off-diagonal submatrix and characteristic polynomial

    Linear Algebra and Its Applications, Vol. 458, pp. 99-107

2013

  1. Characterization of full rank ACI-matrices over fields

    Linear Algebra and Its Applications, Vol. 439, Núm. 12, pp. 3752-3762

  2. Inverse Eigenvalue Problems

    Handbook of Linear Algebra, Second Edition (CRC Press)

2012

  1. Matrix completion problems over integral domains: The case with a diagonal of prescribed blocks

    Linear Algebra and Its Applications, Vol. 436, Núm. 1, pp. 222-236

  2. Nonsingular ACI-matrices over integral domains

    Linear Algebra and Its Applications, Vol. 436, Núm. 11, pp. 4311-4316