We’re publishing a research draft on OpenAI Problem #130: computing the exact discrete Fourier transform below n log n. Our draft proposes an all-length bound of T(n) = O(n(log n)^(1−δ)), with δ = 7.3×10⁻⁵. That’s a 730-million-fold increase in the exponent saving over OpenAI’s published δ = 10⁻…