The explicit representations of the Drazin inverses of a class of block matrices
ELA. The Electronic Journal of Linear Algebra, Tome 20 (2010), pp. 406-418.

Voir la notice de l'article dans Electronic Library of Mathematics

Summary: Let M = A B C D be a $2 \times 2$ block matrix, where ABC = 0 and either DC = 0 or BD = 0. This paper gives the explicit representations of M Din terms of A, B, C, D, A D, (BC) Dand D D.
Classification : 15A09, 65F20
Mots-clés : block matrix, Drazin inverse, index 
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     author = {Bu, Changjiang and Zhang, Kuize},
     title = {The explicit representations of the {Drazin} inverses of a class of block matrices},
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Bu, Changjiang; Zhang, Kuize. The explicit representations of the Drazin inverses of a class of block matrices. ELA. The Electronic Journal of Linear Algebra, Tome 20 (2010), pp. 406-418. https://geodesic-test.mathdoc.fr/item/EEJLA_2010__20__a23/