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Listar por autor "Baragaña. Itziar"

RiuNet: Repositorio Institucional de la Universidad Politécnica de Valencia

Listar por autor "Baragaña. Itziar"

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    Rank-one perturbations of matrix pencils 
    Baragaña, Itziar; Roca Martinez, Alicia (Elsevier, 2020-12-01)
    [EN] We solve the problem of characterizing the Kronecker structure of a matrix pencil obtained by a rank-one perturbation of another matrix pencil. The results hold over arbitrary fields. (C) 2020 Elsevier Inc. All rights ...
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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 ...