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02/22/2022
Total insecurity of communication via strong converse for quantum privacy amplification
Quantum privacy amplification is a central task in quantum cryptography....
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07/01/2021
Coherent information of a quantum channel or its complement is generically positive
The task of determining whether a given quantum channel has positive cap...
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05/13/2021
Detecting positive quantum capacities of quantum channels
Using elementary techniques from analytic perturbation theory of Hermiti...
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04/19/2021
Interpolating between symmetric and asymmetric hypothesis testing
The task of binary quantum hypothesis testing is to determine the state ...
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04/05/2021
From Classical to Quantum: Uniform Continuity Bounds on Entropies in Infinite Dimensions
We prove a variety of new and refined uniform continuity bounds for entr...
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02/24/2021
Symmetric distinguishability as a quantum resource
We develop a resource theory of symmetric distinguishability, the fundam...
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07/09/2020
A tight uniform continuity bound for the Arimoto-Rényi conditional entropy and its extension to classical-quantum states
We prove a tight uniform continuity bound for Arimoto's version of the c...
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09/16/2019
Universal proofs of entropic continuity bounds via majorization flow
We introduce a notion of majorization flow, and demonstrate it to be a p...
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05/02/2019
Strong Converse for Classical-Quantum Degraded Broadcast Channels
We consider the transmission of classical information through a degraded...
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05/02/2019
Strong converse bounds in quantum network information theory: distributed hypothesis testing and source coding
We consider a distributed quantum hypothesis testing problem with commun...
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10/08/2018
Convexity and Operational Interpretation of the Quantum Information Bottleneck Function
In classical information theory, the information bottleneck method (IBM)...
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09/28/2018
Duality between source coding with quantum side information and c-q channel coding
In this paper, we establish an interesting duality between two different...
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04/26/2018
Quantum reverse hypercontractivity: its tensorization and application to strong converses
In this paper we develop the theory of quantum reverse hypercontractivit...
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03/20/2018