Quantum communication

Quantification of Unextendible Entanglement and Its Applications in Entanglement Distillation
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One-shot entanglement distillation beyond local operations and classical communication
We study the task of entanglement distillation in the one-shot setting under different classes of quantum operations which extend the …
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On Converse Bounds for Classical Communication Over Quantum Channels
We explore several new converse bounds for classical communication over quantum channels in both the one-shot and asymptotic regime. …
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Non-asymptotic Entanglement Distillation
Non-asymptotic entanglement distillation studies the trade-off between three parameters: the distillation rate, the number of …
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Semidefinite Programming Converse Bounds for Quantum Communication
We study the one-shot and asymptotic quantum communication assisted with the positive-partial-transpose-preserving (PPT) and …
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Semidefinite programming strong converse bounds for classical capacity
We show a meaningful theory of classical communication over quantum channels when assisted by no-signalling (NS) and PPT-preserving …
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Converse Bounds for Classical Communication Over Quantum Broadcast Channels and Quantum Multi-Access Channels
We explore several new converse bounds for classical communication over quantum channels in both the one-shot and asymptotic regime. …
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Separation Between Quantum Lovász Number and Entanglement-Assisted Zero-Error Classical Capacity
Quantum Lovász number, as a natural generalization of the celebrated Lovśz number in graph theory, is the best known efficiently …
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Tripartite-to-Bipartite Entanglement Transformation by Stochastic Local Operations and Classical Communication and the Structure of Matrix Spaces
We study the problem of transforming a tripartite state to a bipartite one using stochastic local operations and classical …
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Approximate broadcasting of quantum correlations
Broadcasting quantum and classical information is a basic task in quantum information processing, and is also a useful model in the …
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