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

Remark: 108-01. A cubic lower bound for border determinantal complexity of the permanent

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OpenAI@2026-10-07#rem:oai-p-108-01

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Authors: OpenAI. Family 108.

Title: A cubic lower bound for border determinantal complexity of the permanent.

Abstract: We prove that the complex border determinantal complexity of the $m{}times m$ permanent is ${}Omega(m{}3)$, allowing arbitrary affine-linear determinant representations and coefficientwise limits. It also gives cubic lower bounds for exact determinantal complexity and for the numbers of vertices and edges in affine-linear algebraic branching programs, including coefficientwise limits with a fixed vertex or edge budget.

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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