Quantum Channel Stein's Lemma with an Exponential Strong Converse

arXiv:2609.27196 · quant-ph · Submitted 2026-09-23 · Read on arXiv

quant-ph

Submitted: 2026-09-23

Updated: 2026-09-23

Comments: 24 pages

License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/

Terminology

• Trace — 23× in this paper · explained in 2 episodes
• Accuracy — 4× in this paper · explained in 1 episode
• Entanglement — 3× in this paper · explained in 4 episodes
• Adaptive Strategy — 2× in this paper · explained in 1 episode
• Hilbert Space — 2× in this paper · explained in 2 episodes
• Regularization — 2× in this paper · explained in 3 episodes
• Superadditivity — 2× in this paper · explained in 2 episodes
• Additivity — 1× in this paper · explained in 1 episode
• Amortization — 1× in this paper · explained in 1 episode
• Error Exponents — 1× in this paper · explained in 2 episodes
• Generalization — 1× in this paper · explained in 13 episodes

Sources

• On the strong converses for the quantum channel capacity theorems
• Measured Hockey-Stick Divergence and its Applications to Quantum Pufferfish Privacy

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