Geodesic
Perturbation of the generalized Drazin inverse
The electronic journal of linear algebra, Tome 21 (2010), pp. 85-97.

Voir la notice de l'article provenant de la source Electronic Library of Mathematics

Summary: In this paper, we investigate the perturbation of the generalized Drazin invertible matrices and derive explicit generalized Drazin inverse expressions for the perturbations under certain restrictions on the perturbing matrices.
Classification : 47A05, 15A09
Keywords: generalized Drazin inverse, perturbation, index, block matrix 
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     title = {Perturbation of the generalized {Drazin} inverse},
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Deng, Chunyuan; Wei, Yimin. Perturbation of the generalized Drazin inverse. The electronic journal of linear algebra, Tome 21 (2010), pp. 85-97. http://geodesic.mathdoc.fr/item/ELA_2010__21__a5/