OpenAI reports the sharp symmetric Bernoulli singularity rate

For a symmetric n×n matrix whose entries on and above the diagonal are independent uniform signs, the probability of singularity is (1/2+o(1))^n.

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For a symmetric n×n matrix whose entries on and above the diagonal are independent uniform signs, the probability of singularity is (1/2+o(1))^n.

Why it matters

If correct, determines the sharp exponential singularity rate in the symmetric sign-matrix model.

What counts as progress

What is the sharp exponential singularity probability of a symmetric random sign matrix?

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