31 citations · 107 across the 16 of their papers we have counts for
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Finding optimal solutions for generalized quantum state discrimination problems
Kenji Nakahira, Tsuyoshi Sasaki Usuda, Kentaro Kato
We try to find an optimal quantum measurement for generalized quantum state discrimination problems, which include the problem of finding an optimal measurement maximizing the aver…
Optimal quantum state discrimination with confidentiality
Kenji Nakahira, Tsuyoshi Sasaki Usuda, Kentaro Kato
We investigate quantum state discrimination with confidentiality. observers share a given quantum state belonging to a finite set of known states. The observers want to determi…
Optimal discrimination of quantum states on a two-dimensional Hilbert space by local operations and classical communication
Kenji Nakahira, Tsuyoshi Sasaki Usuda
We study the discrimination of multipartite quantum states by local operations and classical communication. We derive that any optimal discrimination of quantum states spanning a t…
Generalized quantum state discrimination problems
Kenji Nakahira, Kentaro Kato, Tsuyoshi Sasaki Usuda
We address a broad class of optimization problems of finding quantum measurements, which includes the problems of finding an optimal measurement in the Bayes criterion and a measur…