Now showing items 1-3 of 3

  • Description of characteristic non-hyperinvariant subspaces in GF(2) 

    Mingueza, David; Montoro López, María Eulalia; Pacha Andújar, Juan Ramón (Elsevier, 2013-12-16)
    Article
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    Given a square matrix A , an A -invariant subspace is called hyperinvariant (respectively, characteristic) if and only if it is also invariant for all matrices T (respectively, nonsingular matrices T ) that commute ...
  • Description of characteristic non-hyperinvariant subspaces over the field GF(2) 

    Mingueza, David; Montoro López, María Eulalia; Pacha Andújar, Juan Ramón (Elsevier, 2013-10-26)
    Article
    Restricted access - publisher's policy
    Given a square matrix A, an A-invariant subspace is called hyperinvariant (respectively, characteristic) if and only if it is also invariant for all matrices T (respectively, nonsingular matrices T) that commute with A. ...
  • Determinant of a matrix that commutes with a Jordan matrix 

    Montoro López, María Eulalia; Ferrer Llop, Josep; Mingueza, David (Elsevier, 2013-10-30)
    Article
    Restricted access - publisher's policy
    Let F be an arbitrary field, Mn(F) the set of all matrices n×n over F and J∈Mn(F) a Jordan matrix. In this paper, we obtain an explicit formula for the determinant of any matrix that commutes with J, i.e., the determinant ...