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Title: How many copies are needed for state discrimination?
Authors: Harrow, A.W.
Winter, A. 
Keywords: Pretty-good measurement
quantum detection
quantum state discrimination
worst-case minimum-error quantum detection
Issue Date: Jan-2012
Citation: Harrow, A.W., Winter, A. (2012-01). How many copies are needed for state discrimination?. IEEE Transactions on Information Theory 58 (1) : 1-2. ScholarBank@NUS Repository.
Abstract: A theorem has been proved to understand the fact that how many copies of the unknown quantum state does one need to be able to distinguish the coset state with high reliability. It is proved that for every distribution there exists a POVM attaining success probability. By using the game-theoretic trick, it has been proved that the existence of a measurement with worst-case.
Source Title: IEEE Transactions on Information Theory
ISSN: 00189448
DOI: 10.1109/TIT.2011.2169544
Appears in Collections:Staff Publications

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