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

Remark: 239-01. The sharp exponential rate of singularity for symmetric Bernoulli matrices

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Authors: OpenAI. Family 239.

Title: The sharp exponential rate of singularity for symmetric Bernoulli matrices.

Abstract: Let An be a symmetric $n{}times n$ matrix whose entries on and above the diagonal are independent uniform signs. We prove ${}displaystyle {}Pr({}det A_n=0)={}left({}frac12+o(1){}right){}n.$

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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