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Isometries on Positive Definite Operators with Unit Fuglede-Kadison Determinant.
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Nagy, G.,
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Maps Preserving Norms of Generalized Weighted Quasi-arithmetic Means of Invertible Positive Operators.
Electron. J. Linear Algebra. 35, 357-364, 2019.
Nutefe, K. A.,
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A Generalization of the Hyers -Ulam-Aoki Type Stability of Some Banach Lattice -Valued Functional Equation.
Extracta Mathematicae. 33 (1), 1-10, 2018.
Szokol, P.,
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Preserving problems of geodesic-affine maps and related topics on positive definite matrices.
Linear Alg. Appl. 483, 293-308, 2015.