Dupont et al. — Improving the matrix multiplication exponent with modern optimization and AlphaEvolve
August 2026 upper bound
A faster upper bound remains above two; it does not settle this request.
Matrix multiplication exponent two over the real numbers
Open
complete
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OpenAI — An Upper Bound of 9/4 for the Matrix Multiplication Exponent
2 October 2026 preprint
An upper-bound claim; not a proof of exponent two.
Virginia Vassilevska Williams — Multiplying matrices in O(n^2.373) time
Definition of the matrix multiplication exponent
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