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Uniform continuity bound for sandwiched Rényi conditional entropy (2201.05534v2)
Published 14 Jan 2022 in quant-ph, cs.IT, math.IT, and math.PR
Abstract: We prove a simple uniform continuity bound for the sandwiched R\'enyi conditional entropy for $\alpha \in [1/2, 1) \cup (1, \infty]$, which is independent of the dimension of the conditioning system.