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- W1993739900 abstract "A Rao-regular matrix and the Rao idempotent of a matrix over a commutative ring are defined. We prove that a matrix A over a commutative ring is regular if and only if A is a sum of Rao-regular matrices with mutually orthogonal Rao idempotents. We find necessary and sufficient conditions for a matrix to have group inverse over a commutative ring. Also, we give a method for computing minors of reflexive g-inverse whenever it exists." @default.
- W1993739900 created "2016-06-24" @default.
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- W1993739900 date "1994-11-01" @default.
- W1993739900 modified "2023-09-25" @default.
- W1993739900 title "Generalized inverses of matrices over commutative rings" @default.
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- W1993739900 doi "https://doi.org/10.1016/0024-3795(94)90081-7" @default.
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