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Chengyu Peng

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Preprint Aug 2026

Robust Polynomial Freiman-Ruzsa from Corrupted Set Observations

The proofs combine a persistent randomized Balog-Szemer\'edi-Gowers procedure producing a fixed implicit small-doubling subset on the $\sqrt{\alpha}$ retained-mass scale, conditionally exact finite product sampling, size-oblivious algorithmic PFR, and deterministic lifting.

Chengyu Peng · 0 citations