David Sutter
@quantum_sutter
Quantum information theorist at @IBMResearch
ID: 1216638839382560773
https://sites.google.com/site/suttedav/ 13-01-2020 08:31:26
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Uhlmann's theorem states that the fidelity of two states rho and sigma can be expressed in terms of their purifications (where the fidelity simplifies). In arxiv.org/abs/2502.01749 we (with Giulia Mazzola and Renato Renner) generalize Uhlmann's theorem to Rényi relative entropies.