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math.FA2017
Orthogonality to matrix subspaces, and a distance formula
Priyanka Grover
We obtain a necessary and sufficient condition for a matrix to be Birkhoff-James orthogonal to any subspace of . Using this we obtain an ex…
math.FA2017
Perturbation bounds for the Mostow and the bipolar decompositions
Priyanka Grover, Pradip Mishra
Perturbation bounds for Mostow's decomposition and the bipolar decomposition of matrices have been computed. To do so, expressions for the derivative of the geometric mean of two p…