4.5 Article Proceedings Paper

Discrimination of Two Channels by Adaptive Methods and Its Application to Quantum System

期刊

IEEE TRANSACTIONS ON INFORMATION THEORY
卷 55, 期 8, 页码 3807-3820

出版社

IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TIT.2009.2023726

关键词

Active learning; channel; Chernoff bound; discrimination; experimental design; Han-Kobayashi bound; Hoeffding bound; one-way LOCC; quantum state; simple hypothesis testing; Stein's lemma

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The optimal exponential error rate for adaptive discrimination of two channels is discussed. In this problem, adaptive choice of input signal is allowed. This problem is discussed in various settings. It is proved that adaptive choice does not improve the exponential error rate in these settings. These results are applied to quantum state discrimination.

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