Additive results for the Drazin inverse of block matrices and applications

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Additive results for the Drazin inverse of block matrices and applications

In this paper we consider the Drazin inverse of a sum of two matrices and we derive additive formulas under conditions weaker than those used in some recent papers on the subject. Like a corollary we get the main results from the paper of H. Yang, X. Liu (The Drazin inverse of the sum of two matrices and its applications, Journ.Comp.Appl.Math., 235 (2011) 1412–1417). As an application we give s...

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Some additive results on Drazin inverse

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ژورنال

عنوان ژورنال: Journal of Computational and Applied Mathematics

سال: 2011

ISSN: 0377-0427

DOI: 10.1016/j.cam.2011.02.029