An invitation to the sample complexity of quantum hypothesis testing

Abstract We study the sample complexity of quantum hypothesis testing, wherein the goal is to determine the minimum number of samples needed to reach a desired error probability. We characterize the sample complexity of binary quantum hypothesis testing in the symmetric and asymmetric settings, and...

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Bibliographic Details
Main Authors: Hao-Chung Cheng, Nilanjana Datta, Nana Liu, Theshani Nuradha, Robert Salzmann, Mark M. Wilde
Format: Article
Language:English
Published: Nature Portfolio 2025-06-01
Series:npj Quantum Information
Online Access:https://doi.org/10.1038/s41534-025-00980-8
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