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Browsing by Author "Ferreyra, D. E."

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Browsing by Author "Ferreyra, D. E."

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    Conmutatividad de matrices con sus inversas generalizadas 
    Ferreyra, D. E.; Levis, F. E.; Priori, A. N.; Thome, Néstor (Asociación Argentina de Matemática Aplicada, Computacional e Industrial, 2021)
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    La inversa generalizada BT de una matriz rectangular 
    Ferreyra, D. E.; Torigino, C.; Thome, Néstor (Asociación Argentina de Matemática Aplicada, Computacional e Industrial, 2021)
    [ES] La inversa BT (originalmente llamada inversa Core Generalizada) fue introducida en el ano 2014 por O.M. Baksalary y G. Trenkler para matrices cuadradas de ¿ndice arbitrario extendiendo el concepto de inversa Core ...
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    Solving an open problem about the G-Drazin partial order 
    Ferreyra, D. E.; Lattanzi, M.; Levis, F. E.; Thome, Néstor (University of Wyoming Libraries, 2020-02)
    [EN] G-Drazin inverses and the G-Drazin partial order for square matrices have been both recently introduced by Wang and Liu. They proved the following implication: If A is below B under the G-Drazin partial order, then ...
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    The weak core inverse 
    Ferreyra, D. E.; Levis, F. E.; Priori, A. N.; Thome, Néstor (Springer-Verlag, 2021-04)
    [EN] In this paper, we introduce a new generalized inverse, called weak core inverse (or, in short, WC inverse) of a complex square matrix. This new inverse extends the notion of the core inverse defined by Baksalary and ...