OpenAI reports a cubic permanent–determinant lower bound

The complex border determinantal complexity of the m×m permanent is Ω(m³), allowing affine-linear determinant representations and coefficientwise limits.

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Understanding the problem

Read the background

The complex border determinantal complexity of the m×m permanent is Ω(m³), allowing affine-linear determinant representations and coefficientwise limits.

Why it matters

If correct, improves the known asymptotic lower-bound order for exact and border determinantal representations of the permanent.

What counts as progress

Can a cubic lower bound be established for border determinantal complexity?

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