Extensions of a duality theorem concerning g-inverses of matrices

Mitra, Sujit Kumar ; Rao, C. Radhakrishna (1975) Extensions of a duality theorem concerning g-inverses of matrices Sankhya - Series A, 37 (3). pp. 439-445. ISSN 0581-572X

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Abstract

Rao and Mitra (1971a, b) and Sibuya (1970) have shown that the conjugate transpose of a minimum norm g-inverse of its conjugate transpose under the dual norm. In this paper this duality relation is examined for the minimum seminorm and semileast squares inverses.

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