This is a preview. Log in through your library . Abstract The Hermitian positive definite solutions of the matrix equation X — A*X⁻² A = I are studied. A theorem for existence of solutions is given ...
https://doi.org/10.4169/amer.math.monthly.122.8.782 https://www.jstor.org/stable/10.4169/amer.math.monthly.122.8.782 Using the fact that the normalized matrix trace ...
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