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quant-ph2016★ 3 cited
Efficient quantum tomography II
Ryan O'Donnell, John Wright
Following [OW16], we continue our analysis of: (1) "Quantum tomography", i.e., learning a quantum state, i.e., the quantum generalization of learning a discrete probability distrib…
quant-ph2015★ 2 cited
Quantum Spectrum Testing
Ryan O'Donnell, John Wright
In this work, we study the problem of testing properties of the spectrum of a mixed quantum state. Here one is given copies of a mixed state and th…