Discrimination of two channels by adaptive methods and its application to quantum system - Quantum PhysicsReport as inadecuate




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



Author: Masahito Hayashi

Source: https://arxiv.org/







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