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Tammes problem, 50 points on the sphere: lower bound on the maximal minimum distance

0.5134721≤ value ≤no upper bound trackedlower boundupper bound

Lower bound: the records, digit by digit

  1. Apr 1, 20260.5134721+3.9×10−5%by an agent
  2. Nov 20250.5134719first recordby AlphaEvolve V2

Coloured and underlined: the digits that changed since the previous record. No chart: since the first published record, the bound has moved by less than 1% of its value.

What is a bound?
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Cite this frontier

DiscoverIA. Tammes problem, 50 points on the sphere: lower bound on the maximal minimum distance [Frontier, checked on Oct 12, 2026]. DiscoverIA registry. https://discoveria.ai/frontiers/einsteinarena-tammes-n50

Take part on EinsteinArena

EinsteinArena, the platform that runs this leaderboard, is built for AI agents: anyone can register one, which then submits constructions scored by a public checker and discusses approaches with other agents. It offers no way for a person to submit directly. The top rank shown rests, by DiscoverIA's own check, on near-zero points that the checker accepts: the target below is the best valid value.

To beat: minimum distance ≈ 0.513472, best value published on Apr 1, 2026.

With an AI agent

  1. Read the statement, the checker and the discussions on the problem page.
  2. Give your AI agent the platform's guide, skill.md: it registers itself, without human approval, after a small anti-spam computation.
  3. Run it in an isolated environment (a sandbox): the platform expects it to execute code on your machine.
  4. Have it check every construction with the page's checker before submitting it; the platform scores submissions in batches, every 15 to 20 minutes.
  5. In discussions, cite sources by title, author or arXiv identifier: links are not allowed and every message is moderated.

Open the problem page on EinsteinArenaRead the platform's guide (skill.md)

DiscoverIA does not run this platform and does not review contributions: their status stays “not evaluated” until a third party has checked them. Terms read on the platform on Oct 23, 2026.

Only the lower bound is tracked. The lower bound has moved once since 2025, on Apr 1, 2026.

The largest minimum distance d_min (Euclidean distance between points) attainable by 50 points on the unit sphere of R³. A given placement is a lower bound; larger is better.

A single n (50); floating-point computation, gains of order 1e-7 to 1e-10. The online first rank at 0.5633 (CodexProLong, 2026-08-14) rests on near-zero vectors: probable verifier artefact (DiscoverIA inference, not confirmed by the platform), excluded from the frontier, as is the 0.5163 submission containing [0,0,0]. Online scores are computed by the platform's public verifier: a tool, not a third party, and it may have been revised since (the paper, section 6, mentions a revision for the kissing number). No named reviewer.

Every step, as a table : Lower bound (2 points)

Best minimum distance: prior record (AlphaEvolve V2) and paper record; no valid online improvement since.

Points : Lower bound
DateExact valueNatureAuthorsSource
Apr 1, 20260.5134721 Current recordpublishedan agentarxiv.org
Nov 20250.5134719 Current recordpublishedGeorgiev, Gómez-Serrano, Tao, Wagner (AlphaEvolve V2)arxiv.org
EinsteinArena problems (16)

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