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Author

Zheng-Feng Ji

4 papers indexed here

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Preprint Oct 2026

FVQKD: A Formal Verification of Quantum Key Distribution Security in Rocq

Quantum key distribution (QKD), whose security is derived from quantum mechanics rather than computational assumptions, is moving into standardization and commercial deployment. Yet its security guarantees rest on technically delicate proofs checked by hand. Formal verification closes this gap, establishing a two-facto...

Rui-Xuan Deng, Zheng-Feng Ji, Jia-Yu Zhang et al. · 0 citations
Review Sep 2026

Long-horizon autoformalization of a core theorem underlying MIP* = RE

Landmark mathematical formalizations have taken specialist teams years to complete. We present FormalFlow, a system that coordinates AI proving agents under human supervision to address statement drift and proof composition in long-horizon formalization. Drawing on software-engineering principles and practices, it uses...

Si-Rui Lu, Rui-Xuan Deng, Yan-Qiao Zhu et al. · 2 citations
Review Sep 2026

Long-horizon autoformalization of a core theorem underlying MIP* = RE

This work completed a machine-checked Lean 4 proof of the quantum soundness of the classical low individual-degree test, a core theorem underlying MIP* = RE, and provides a verified foundation for quantum complexity.

Si-Rui Lu, Rui-Xuan Deng, David Zhu et al. · 1 citation
#artificial intelligence Review Sep 2026

Long-horizon autoformalization of a core theorem underlying MIP* = RE

Landmark mathematical formalizations have taken specialist teams years to complete. We present FormalFlow, a system that coordinates AI proving agents under human supervision to address statement drift and proof composition in long-horizon formalization. Drawing on software engineering principles and practices, it uses...

Si-Rui Lu, Ruixuan Deng, Yan-Qiao Zhu et al. · 0 citations

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