A note on the representation for the Drazin inverse of 2 × 2 block matrices

In this note we consider representations of the Drazin inverse of 2 × 2 block matrices under conditions weaker than those used in recent papers on the subject, in particular in [D.S. Djordjević, P.S. Stanimirović, On the generalized Drazin inverse and generalized resolvent, Czechoslovak Math. J. 51...

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Veröffentlicht in:Linear algebra and its applications Jg. 429; H. 1; S. 242 - 248
1. Verfasser: Cvetković-Ilić, Dragana S.
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Veröffentlicht: New York, NY Elsevier Inc 01.07.2008
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Abstract In this note we consider representations of the Drazin inverse of 2 × 2 block matrices under conditions weaker than those used in recent papers on the subject, in particular in [D.S. Djordjević, P.S. Stanimirović, On the generalized Drazin inverse and generalized resolvent, Czechoslovak Math. J. 51 (126) (2001) 617–634; R. Hartwig, X. Li, Y. Wei, Representations for the Drazin inverse of 2 × 2 block matrix, SIAM J. Matrix Anal. Appl. 27 (2006) 757–771].
AbstractList In this note we consider representations of the Drazin inverse of 2 × 2 block matrices under conditions weaker than those used in recent papers on the subject, in particular in [D.S. Djordjević, P.S. Stanimirović, On the generalized Drazin inverse and generalized resolvent, Czechoslovak Math. J. 51 (126) (2001) 617–634; R. Hartwig, X. Li, Y. Wei, Representations for the Drazin inverse of 2 × 2 block matrix, SIAM J. Matrix Anal. Appl. 27 (2006) 757–771].
Author Cvetković-Ilić, Dragana S.
Author_xml – sequence: 1
  givenname: Dragana S.
  surname: Cvetković-Ilić
  fullname: Cvetković-Ilić, Dragana S.
  email: dragana@pmf.ni.ac.yu, gagamaka@ptt.yu
  organization: Department of Mathematics, Faculty of Sciences, University of Niš, P.O. Box 224, Višegradska 33, 18000 Niš, Serbia
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Issue 1
Keywords Drazin inverse
Additive result
15A09
Block matrix
Resolvent
Matrix inversion
Generalized inverse
Language English
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Snippet In this note we consider representations of the Drazin inverse of 2 × 2 block matrices under conditions weaker than those used in recent papers on the subject,...
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SubjectTerms Additive result
Algebra
Block matrix
Drazin inverse
Exact sciences and technology
Linear and multilinear algebra, matrix theory
Mathematics
Sciences and techniques of general use
Title A note on the representation for the Drazin inverse of 2 × 2 block matrices
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