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04/27/2023
The Mutual Information In The Vicinity of Capacity-Achieving Input Distributions
The mutual information is analyzed as a function of the input distributi...
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04/24/2023
Quantum Broadcast Channel Simulation via Multipartite Convex Splitting
We show that the communication cost of quantum broadcast channel simulat...
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04/24/2023
Tight One-Shot Analysis for Convex Splitting with Applications in Quantum Information Theory
Convex splitting is a powerful technique in quantum information theory u...
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11/23/2022
Faster Stochastic First-Order Method for Maximum-Likelihood Quantum State Tomography
In maximum-likelihood quantum state tomography, both the sample size and...
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10/03/2022
Online Self-Concordant and Relatively Smooth Minimization, With Applications to Online Portfolio Selection and Learning Quantum States
Consider an online convex optimization problem where the loss functions ...
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08/03/2022
A Simple and Tighter Derivation of Achievability for Classical Communication over Quantum Channels
Achievability in information theory refers to demonstrating a coding str...
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02/23/2022
Optimal Second-Order Rates for Quantum Soft Covering and Privacy Amplification
We study quantum soft covering and privacy amplification against quantum...
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02/22/2022
Error Exponent and Strong Converse for Quantum Soft Covering
How well can we approximate a quantum channel output state using a rando...
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02/21/2022
Strong Converse for Privacy Amplification against Quantum Side Information
We establish a one-shot strong converse bound for privacy amplification ...
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10/02/2021
Maximum-Likelihood Quantum State Tomography by Cover's Method with Non-Asymptotic Analysis
We propose an iterative algorithm that computes the maximum-likelihood e...
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09/13/2021
Minimizing Quantum Renyi Divergences via Mirror Descent with Polyak Step Size
Quantum information quantities play a substantial role in characterizing...
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09/01/2021
On the Existence of the Augustin Mean
The existence of a unique Augustin mean and its invariance under the Aug...
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06/23/2021
Learning quantum circuits of some T gates
In this paper, we study the problem of learning quantum circuits of a ce...
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02/26/2020
Refined Strong Converse for the Constant Composition Codes
A strong converse bound for constant composition codes of the form P_e^(...
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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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11/10/2018
Properties of Noncommutative Renyi and Augustin Information
The scaled Rényi information plays a significant role in evaluating the ...
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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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03/20/2018
Non-Asymptotic Classical Data Compression with Quantum Side Information
In this paper, we analyze classical data compression with quantum side i...
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01/03/2015