EMIS ELibM Electronic Journals PUBLICATIONS DE L'INSTITUT MATHÉMATIQUE (BEOGRAD) (N.S.)
Vol. 38(52), pp. 39--44 (1985)

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COMMUTATIVE WEAK GENERALIZED INVERSES OF A SQUARE MATRIX AND SOME RELATED MATRIX EQUATIONS

Jovan D. Kecki\'c

Farmaceutski fakultet, Beograd, Yugoslavia

Abstract: The chief concern of this paper is the existence and the construction of all weak generalized inverses which commute with the original matrix; in other words we are concerned with the system $AXA=A$, AX=XA$. Some other matrix systems and equations are also considered.

Classification (MSC2000): 15A09, 15A24

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Electronic fulltext finalized on: 2 Nov 2001. This page was last modified: 16 Nov 2001.

© 2001 Mathematical Institute of the Serbian Academy of Science and Arts
© 2001 ELibM for the EMIS Electronic Edition