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Listar por palabra clave "Sharp partial order"

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Listar por palabra clave "Sharp partial order"

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    On some new pre-orders defined by weighted Drazin inverses 
    Hernández, Araceli Elisabet; Lattanzi, Marina Beatriz; Thome Coppo, Néstor Javier (Elsevier, 2016-05-05)
    In this paper, we investigate new binary relations defined on the set of rectangular complex matrices based on the weighted Drazin inverse and give some characterizations of them. These relations become pre-orders and ...
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    Ordered matrices with nonnegative group projector 
    Herrero Debón, Alicia; Thome, Néstor (Springer-Verlag, 2020-01-09)
    [EN] In this paper, the most usual matrix partial orders are considered on the ring of real matrices. These orders are studied on at most index 1 matrices having nonnegative group projector by using a specific block ...
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    Sharp partial order and linear autonomous systems 
    Herrero Debón, Alicia; Thome, Néstor (Elsevier, 2020-02-01)
    [EN] This paper deals with autonomous linear systems and the sharp partial order. Given an autonomous linear system, we find another system, which is related to the first one by means of the sharp partial order. This ...
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    The diamond partial order in rings 
    Lebtahi Ep-Kadi-Hahifi, Leila; Patricio, Pedro; Thome, Néstor (Taylor & Francis: STM, Behavioural Science and Public Health Titles, 2014)
    In this paper we introduce a new partial order on a ring, namely the diamond partial order. This order is an extension of a partial order defined in a matrix setting in [J.K. Baksalary and J. Hauke, A further algebraic ...
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    Weighted binary relations involving the Drazin inverse 
    Hernández, Araceli Elisabet; Lattanzi, Marina Beatriz; Thome, Néstor (Elsevier, 2015-02)
    [EN] The Drazin inverse of a matrix has been used in the literature to define a pre-order on the set of square complex matrices. In this paper we analyze new binary relations defined on the set of rectangular complex ...