Flexible rigidity: Compiling generic trusted-preparation protocols into sequential device-independent protocols

arXiv:2610.00444 · quant-ph · Submitted 2026-09-30 · Read on arXiv

quant-ph

Submitted: 2026-09-30

Updated: 2026-09-30

Terminology

• Trace — 31× in this paper · explained in 2 episodes
• Entanglement — 12× in this paper · explained in 4 episodes
• Trace Distance — 12× in this paper · explained in 3 episodes
• Additivity — 5× in this paper · explained in 1 episode
• Fidelity — 4× in this paper · explained in 2 episodes
• Objective Function — 4× in this paper · explained in 2 episodes
• Regularization — 3× in this paper · explained in 3 episodes
• Transformer — 3× in this paper · explained in 2 episodes
• Consistency — 2× in this paper · explained in 3 episodes
• Generalization — 2× in this paper · explained in 13 episodes
• Hilbert Space — 2× in this paper · explained in 2 episodes
• Homogeneity — 2× in this paper · explained in 2 episodes
• Kullback-Leibler (KL) Divergence — 2× in this paper · explained in 3 episodes
• Verification — 2× in this paper · explained in 2 episodes
• Superadditivity — 1× in this paper · explained in 2 episodes
• Verifier — 1× in this paper · explained in 2 episodes

Sources

• Generalized R'enyi entropy accumulation theorem and generalized quantum probability estimation
• Marginal-constrained entropy accumulation theorem
• A robust and composable device-independent protocol for oblivious transfer using (fully) untrusted quantum devices in the bounded storage model
• Unclonable encryption from BB84 states: a simultaneous Goldreich-Levin reduction
• Additivity and chain rules for quantum entropies via multi-index Schatten norms
• Quantum cryptography with classical communication: parallel remote state preparation for copy-protection, verification, and more
• R'enyi security framework against coherent attacks applied to decoy-state QKD
• High-rate and computationally-efficient seedless extractors for device-independent quantum cryptography
• Smooth min-entropy lower bounds for approximation chains
• Proving security of BB84 under source correlations
• New additivity properties of the relative entropy of entanglement and its generalizations
• Prospects for device-independent quantum key distribution

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