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Listar por Patrocinador "Guangxi University for Nationalities, China"

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Listar por Patrocinador "Guangxi University for Nationalities, China"

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    On the group inverse of linear combinations of two group invertible matrices 
    Liu, Xiaoji; Wu, Lingling; Benítez López, Julio (ILAS–the International Linear Algebra Society, 2011-05)
    [EN] In this paper, some formulas are found for the group inverse of aP | bQ, where P and Q are two nonzero group invertible complex matrices satisfying certain conditions and a, b nonzero complex numbers.
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    Some additive results on Drazin inverse 
    Liu, X.J.; Qin, X.L.; Benítez López, Julio (Springer Verlag (Germany), 2015-12)
    In this paper, we investigate additive results of the Drazin inverse of elements in a ring R. Under the condition ab = ba, we show that a + b is Drazin invertible if and only if aa^D(a+b) is Drazin invertible, where the ...