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BOROBIA VIZMANOS, ALBERTO

Matemáticas Fundamentales / Universidad Nacional de Educación a Distancia

Publications

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

  • Borobia,A.
  • Canogar,R.
  • De Terán,F.

Linear and Multilinear Algebra (p. 1820-1846) - 2023

Editor: Taylor and Francis Ltd.

10.1080/03081087.2023.2211720 View at source

  • ISSN/ISBN 1563-5139
Open Access

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

  • Borobia, A.
  • Canogar, R.
  • De Terán, F.

Revista de la Real Academia de Ciencias Exactas, Fisicas y Naturales - Serie A: Matematicas - 1/1/2023

Editor: Springer-Verlag Italia s.r.l.

10.1007/s13398-023-01391-0 View at source

  • EISSN 1579-1505
  • ISSN 1578-7303
  • ISSN/ISBN 1579-1505
Open Access

The equation X^TAX=B with B skew-symmetric: how much of a bilinear form is skew-symmetric?

  • Borobia, A.
  • Canogar, R.
  • De Terán, F.

LINEAR & MULTILINEAR ALGEBRA (p. 2114-2143) - 7/2022

Editor: Taylor and Francis Ltd.

https://doi.org/10.1080/03081087.2022.2093825 View at source

  • EISSN 1563-5139
  • ISSN 0308-1087
  • ISSN/ISBN 1563-5139

Nonsparse companion hessenberg matrices

  • Borobia, A.
  • Canogar, R.

Electronic Journal of Linear Algebra (p. 193-210) - 2021

Editor: International Linear Algebra Society

10.13001/ela.2021.5405 View at source

  • ISSN/ISBN 1081-3810
Open Access

On the Consistency of the Matrix Equation X¿ AX = B when B is Symmetric

  • Borobia, A.
  • Canogar, R.
  • De Terán, F.

Mediterranean Journal of Mathematics - 1/4/2021

Editor: Birkhauser

https://doi.org/10.1007/s00009-020-01656-7 View at source

  • EISSN 1660-5454
  • ISSN 1660-5446
  • ISSN/ISBN 1660-5454

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

  • Rodríguez-Rubio, M.
  • Figueira, J.C.
  • Acuña-Castroviejo, D.
  • Borobia, A.M.
  • Escames, G.
  • De La Oliva, P.

Trials - 5/8/2020

Editor: BioMed Central Ltd

10.1186/s13063-020-04632-4 View at source

  • ISSN 17456215
  • ISSN/ISBN 1745-6215

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

  • Acuña-Castroviejo, D.
  • Escames, G.
  • Figueira, J.C.
  • de la Oliva, P.
  • Borobia, A.M.
  • Acuña-Fernández, C.

Journal of Pineal Research - 1/10/2020

Editor: Blackwell Publishing Ltd

10.1111/jpi.12683 View at source

  • ISSN 07423098
  • ISSN/ISBN 1600-079X

The WST-decomposition for partial matrices

  • Borobia, A.
  • Canogar, R.

Linear Algebra and Its Applications (p. 95-125) - 1/03/2019

Editor: Elsevier Inc.

10.1016/j.laa.2018.11.028 View at source

  • ISSN/ISBN 0024-3795

Fillmore's theorem for integer matrices

  • Borobia, A.

Linear Algebra and Its Applications (p. 281-284) - 15/10/2017

Editor: Elsevier Inc.

10.1016/j.laa.2017.06.011 View at source

  • ISSN/ISBN 0024-3795

ACI-matrices of constant rank over arbitrary fields

  • Borobia, A.
  • Canogar, R.

Linear Algebra and Its Applications (p. 232-259) - 15/08/2017

Editor: Elsevier Inc.

10.1016/j.laa.2017.04.002 View at source

  • ISSN/ISBN 0024-3795

Álgebra lineal y geometría vectorial

  • Borobia, Alberto
  • Estrada, Beatriz

2019

Editor: Sanz y Torres

  • ISSN/ISBN 978-84-17765-04-0

Álgebra lineal y geometría vectorial

  • Borobia, Alberto
  • Estrada, Beatriz

2015

Editor: Sanz y Torres

  • ISSN/ISBN 978-84-15550-85-3

Matemáticas para ciencias ambientales: álgebra lineal y ecuaciones diferenciales

  • Borobia, Alberto
  • Estrada, Beatriz

2015

Editor: Sanz y Torres

  • ISSN/ISBN 978-84-15550-84-6

Matemáticas para ciencias ambientales: álgebra lineal y ecuaciones diferenciales

  • Borobia, Alberto
  • Estrada, Beatriz

2004

Editor: Madrid : Sanz y Torres, 2004

  • ISSN/ISBN 978-84-92948-35-2

Inverse Eigenvalue Problems

  • Borobia, A.

Handbook of Linear Algebra, Second Edition - 1/01/2013

Editor: CRC Press

  • ISSN/ISBN 9781466507296

Ranks of patterns of nonnegative matrices

  • Borobia Vizmanos, Alberto
  • Cantó Colomina, Rafael

XVI CEDYA Congreso de Ecuaciones Diferenciales y Aplicaciones ; VI CMA Congreso de Matemática Aplicada: actas. Las Palmas de Gran Canaria, 21-24 septiembre 1999 (p. 955-962) - 1999

Editor: Universidad de Las Palmas de Gran Canaria

  • ISSN/ISBN 84-95286-17-3

Una prueba geométrica del teorema de Perron-Frobenius

  • Borobia Vizmanos, Alberto
  • Rodríguez, U.

XIV jornadas hispano-Lusas de matemáticas (p. 581-584) - 1989

Editor: Servicio de Publicaciones

  • ISSN/ISBN 84-7756-239-3

This researcher has no working papers.

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Last data update: 4/13/26 10:24 AM