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CANOGAR MCKENZIE, ROBERTO

Matemáticas Fundamentales / Universidad Nacional de Educación a Distancia

Publications

The Hermitian restriction problem for sesquilinear forms

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

Linear Algebra and Its Applications (p. 126-152) - 15/10/2026

Editor: Elsevier Inc.

10.1016/j.laa.2026.05.022 View at source

  • ISSN/ISBN 0024-3795

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

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

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

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

The real nonnegative inverse eigenvalue problem is NP-hard

  • Borobia, A.
  • Canogar, R.

Linear Algebra and Its Applications (p. 127-139) - 1/06/2017

Editor: Elsevier Inc.

10.1016/j.laa.2017.02.010 View at source

  • ISSN/ISBN 0024-3795

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

  • Borobia, A.
  • Canogar, R.

Linear Algebra and Its Applications (p. 99-107) - 1/10/2014

Editor: Elsevier Inc.

10.1016/j.laa.2014.06.005 View at source

  • ISSN/ISBN 0024-3795

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

  • Borobia, Alberto
  • Canogar, Roberto
  • Smigoc, Helena

Proyecciones: Journal of Mathematics (p. 215-233) - 1/09/2014

Editor: Universidad Católica del Norte

10.4067/s0716-09172014000200007 View at source

  • ISSN/ISBN 0024-3795

Characterization of full rank ACI-matrices over fields

  • Borobia, A.
  • Canogar, R.

Linear Algebra and Its Applications (p. 3752-3762) - 15/12/2013

10.1016/j.laa.2013.09.042 View at source

  • ISSN/ISBN 0024-3795

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Last data update: 8/13/26 3:38 PM