Manuscript OpenAI@2026-10-07 · OpenAI.tex · remark · 6a931f8f

Remark: 238-07. Row #8211;column symmetry and contraction of coordinate sweeps

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OpenAI@2026-10-07#rem:oai-p-238-07

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Authors: OpenAI. Family 238.

Title: Row–column symmetry and contraction of coordinate sweeps.

Abstract: We prove that the Thorp shuffle on $N=2{}d$ labeled cards has full-permutation total-variation mixing time ${}Theta({}log N)$ in physical shuffles. An absolute number of coordinate sweeps suffices for the upper bound.

This abstract is a catalogue record. It is not a verification and not a premise. It does not close O.1. O.1 stays NOT_CLOSED. No quantum coefficient is admitted. No compilation is asserted.

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