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- research-articleSeptember 2017
Sample-Optimal Tomography of Quantum States
IEEE Transactions on Information Theory (ITHR), Volume 63, Issue 9Pages 5628–5641https://doi.org/10.1109/TIT.2017.2719044It is a fundamental problem to decide how many copies of an unknown mixed quantum state are necessary and sufficient to determine the state. Previously, it was known only that estimating states to error <inline-formula> <tex-math notation="LaTeX">$\...
- research-articleJune 2016
Sample-optimal tomography of quantum states
STOC '16: Proceedings of the forty-eighth annual ACM symposium on Theory of ComputingPages 913–925https://doi.org/10.1145/2897518.2897585It is a fundamental problem to decide how many copies of an unknown mixed quantum state are necessary and sufficient to determine the state. This is the quantum analogue of the problem of estimating a probability distribution given some number of ...
