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Listar por palabra clave "Matrix pencil"

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Listar por palabra clave "Matrix pencil"

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    On the Change of the Weyr Characteristics of Matrix Pencils After Rank-One Perturbations 
    Baragana, Itziar; Roca Martinez, Alicia (Society for Industrial and Applied Mathematics, 2022)
    [EN] The change of the Kronecker structure of a matrix pencil perturbed by another pencil of rank one has been characterized in terms of the homogeneous invariant factors and the chains of column and row minimal indices ...
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    Pencils with prescribed constant subpencils 
    Roca Martinez, Alicia; Silva, Fernando (Elsevier, 2012-05-01)
    The results in this paper are within the scope of matrix pencil completion problems. Given an arbitrary matrix pencil, we obtain necessary and sufficient conditions for the existence of a strictly equivalent pencil with a ...
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    The change of the Weierstrass structure under one row perturbation 
    Baragaña. Itziar; Roca Martinez, Alicia (John Wiley & Sons, 2021-11)
    [EN] In this work we study the change of the structure of a regular pencil when we perform small perturbations over some of its rows and the other rows remain unaltered. We provide necessary conditions when several rows ...