Geodesic
On a recent result concerning the Drazin inverse of matrices
Filomat, Tome 36 (2022) no. 13, p. 4417

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DOI

In this paper, we investigate the recent paper of Shakoor et al. [A. Shakoor, I. Ali, S. Wali, A. Rehman, Some formulas on the Drazin inverse for the sum of two matrices and block matrices, Bull. Iran. Math. Soc. 48 (2022) 351-366]. Here we prove that the main, additive result from the mentioned paper is actually a corollary of one known result. Furthermore, we give new representations for the Drazin inverse of anti–triangular block matrix, which generalize some representations from current literature on the topic.
DOI : 10.2298/FIL2213417V
Classification : 15A09
Keywords: Drazin inverse, additive formula, block matrix 
Jelena Višnjić; Ivana Ilić. On a recent result concerning the Drazin inverse of matrices. Filomat, Tome 36 (2022) no. 13, p. 4417 . doi: 10.2298/FIL2213417V
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     title = {On a recent result concerning the {Drazin} inverse of matrices},
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     year = {2022},
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     doi = {10.2298/FIL2213417V},
     language = {en},
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