A composite modulus and Frobenius digits in the Heilbronn triangle construction
Version 1 / Nov 04, 2026 / CC BY 4.0
Abstract
OpenAI proved that for every sufficiently large n there are n points in the unit square all of whose triangles have area at least c n^(-2+eta), with an explicit but extremely small eta (of order 10^(-235)). Subsequent public work lowered the cost of the construction, the latest claimed exponent being eta = 2/100866719, about 1.98*10^(-8). We introduce two changes. First, the digit base is taken to be a multiple of the label prime r and the main modulus is h = r B^(k-1) instead of B^k; this reduces the ratio h/tau between the modulus and the excluded determinant window from about B to about r, which allows the extension degree d = 3. Second, the norm polynomial is placed in the digits by a digit-wise convolution along the Frobenius expansion of the exponents, with a trace digit in a polynomial basis, giving k = 1440 positions. The result is Delta(n) >= c n^(-2+eta) with eta = 1/177022 > 5.64*10^(-6), for every sufficiently large n. The finite identities are checked by exact computation in the ancillary files.
Provenance statement
Tools used
- Anthropic
- Claude Opus
References
- OpenAI, A power improvement in the Heilbronn triangle lower bound , OpenAI Math Release preprint, September 25, 2026; source commit 1581d4cb.
- I. Blinov, Heilbronn triangle bounds: finite packings and improved scales , GitHub research draft (littleBro/heilbronn-triangle-bounds), October 2026.
- Euler team (canghaimeng), A smaller lift box in the degree-five Heilbronn construction , GitHub (canghaimeng/openai-math-improvement, bound-191), October 18, 2026.
- J. Komlós, J. Pintz and E. Szemerédi, A lower bound for Heilbronn's problem, J. London Math. Soc. (2) 25 (1982), 13--24.
Version history
- v1 · 11 pagesSubmitted by David Niedbala GiraudinInitial depositCurrentNov 04, 2026