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quant-ph2018
Optimal Quantum Subtracting Machine
Farzad Kianvash, Marco Fanizza, Vittorio Giovannetti
The impossibility of undoing a mixing process is analysed in the context of quantum information theory. The optimal machine to undo the mixing process is studied in the case of pur…
quant-ph2018★ 21 cited
Optimal universal learning machines for quantum state discrimination
Marco Fanizza, Andrea Mari, Vittorio Giovannetti
We consider the problem of correctly classifying a given quantum two-level system (qubit) which is known to be in one of two equally probable quantum states. We assume that this ta…