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math-ph2017★ 4 cited
Maps on positive definite operators preserving the quantum -divergence
Hong-Yi Chen, György Pál Gehér, Chih-Neng Liu +3
We describe the structure of all bijective maps on the cone of positive definite operators acting on a finite and at least two-dimensional complex Hilbert space which preserve the…
math.FA2017
A characterisation of isometries with respect to the Lévy-Prokhorov metric
György Pál Gehér, Tamás Titkos
According to the fundamental work of Yu.V. Prokhorov, the general theory of stochastic processes can be regarded as the theory of probability measures in complete separable metric…