Mathematical nature of and a family of lower bounds for the success probability of unambiguous discrimination

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Journal Article
Physical Review A - Atomic, Molecular, and Optical Physics, 2002, 65 (4), pp. 3 - ?
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Unambiguous discrimination is a strategy to the discrimination problem that identifies the state with certainty, leaving a possibility of undecidability. This paper points out that the optimal success probability of unambiguous discrimination is mathematically the well-known semidefinite programming problem. A family of lower bounds of the optimal success probability is also given. © 2002 The American Physical Society.
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