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- W1520393963 abstract "We introduce a Riemannian metric with non positive curvature in the (infinite dimensional) manifold S8 of positive invertible operators of a Hilbert space H, which are scalar perturbations of Hilbert-Schmidt operators. The (minimal) geodesics and the geodesic distance are computed. It is shown that this metric, which is complete, generalizes the well known non positive metric for positive definite complex matrices. Moreover, these spaces of finite matrices are naturally imbedded in S8." @default.
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- W1520393963 date "2007-06-01" @default.
- W1520393963 modified "2023-10-17" @default.
- W1520393963 title "Non Positively Curved Metric in the Space of Positive Definite Infinite Matrices" @default.
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