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math.RA2016
Vanishing Pseudo Schur Complements, Reverse Order Laws, Absorption Laws and Inheritance Properties
Kavita Bisht, K. C. Sivakumar
The problem of when the vanishing of a (generalized) Schur complement of a block matrix (corresponding to the leading principal subblock) implies that the other (generalized) Schur…
math.RA2016★ 2 cited
Pseudo Principal Pivot Transform: The Group Inverse Case
Kavita Bisht, K. C. Sivakumar
In this short note, we prove a formula for the group inverse of a block matrix and consider the pseudo principal pivot transform expressed in terms of group inverses. Extensions of…