Quantum local asymptotic normality based on a new quantum likelihood ratio

Abstract

We develop a theory of local asymptotic normality in the quantum domain based on a novel quantum analogue of the log-likelihood ratio. This formulation is applicable to any quantum statistical model satisfying a mild smoothness condition. As an application, we prove the asymptotic achievability of the Holevo bound for the local shift parameter.

Published in at http://dx.doi.org/10.1214/13-AOS1147 the Annals of Statistics (http://www.imstat.org/aos/) by the Institute of Mathematical Statistics (http://www.imstat.org)

References in corpus (2)

• On Asymptotic Quantum Statistical Inference
• Quantum U-statistics

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