. "Filip, Radim" . . . "3"^^ . "We derive the optimal trade-off between the estimation fidelity and the fidelity of the state after the estimation for a single copy of an unknown pure state of a d-level system belonging to a specific subset of the set of all pure states. The set of states to be considered here is formed by all pure states of a d-level system produced by d-independent phase shifts of some reference state. We also propose a measurement scheme realizing such an optimal partial estimation of multiple phases in which the trade-off between the fidelities can be controlled by the state of the ancilla."@en . "Optimal partial estimation of multiple phases"@en . "3"^^ . . "Mi\u0161ta, Ladislav" . "[F42F92F9B2E6]" . . "Optimal partial estimation of multiple phases"@en . "1050-2947" . . . . "72" . "RIV/61989592:15310/05:00001855" . "US - Spojen\u00E9 st\u00E1ty americk\u00E9" . "partial estimation; multiple phases"@en . . "Fiur\u00E1\u0161ek, Jarom\u00EDr" . "Optimal partial estimation of multiple phases" . "P(GP202/03/D239), P(OC P11.003), Z(MSM6198959213)" . . "Optim\u00E1ln\u00ED \u010D\u00E1ste\u010Dn\u00E1 estimace n\u011Bkolika f\u00E1z\u00ED"@cs . "Byla studov\u00E1na optim\u00E1ln\u00ED \u010D\u00E1ste\u010Dn\u00E1 estimace kvantov\u00E9ho stavu z jedn\u00E9 kopie.Bylo p\u0159edpokl\u00E1d\u00E1no, \u017Ee stav n\u00E1le\u017E\u00ED do specifick\u00E9 t\u0159\u00EDdy stav\u016F tvo\u0159en\u00E9vyv\u00E1\u017Een\u00FDmi superpozicemi b\u00E1zov\u00FDch stav\u016F. Pro tento p\u0159\u00EDpad byla stanovenamaxim\u00E1ln\u00ED fidelita G estimovan\u00E9ho stavu pro danou fixn\u00ED fidelitu Fkvantov\u00E9 kopie po proveden\u00ED \u010D\u00E1ste\u010Dn\u00E9ho m\u011B\u0159en\u00ED."@cs . "012311-1-6" . "Optimal partial estimation of multiple phases" . . "Optim\u00E1ln\u00ED \u010D\u00E1ste\u010Dn\u00E1 estimace n\u011Bkolika f\u00E1z\u00ED"@cs . . . . . "15310" . "534754" . "153"^^ . . . . "Physical Review A" . "We derive the optimal trade-off between the estimation fidelity and the fidelity of the state after the estimation for a single copy of an unknown pure state of a d-level system belonging to a specific subset of the set of all pure states. The set of states to be considered here is formed by all pure states of a d-level system produced by d-independent phase shifts of some reference state. We also propose a measurement scheme realizing such an optimal partial estimation of multiple phases in which the trade-off between the fidelities can be controlled by the state of the ancilla." . "RIV/61989592:15310/05:00001855!RIV06-MSM-15310___" . "1" . .