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Spherical designs with few points
Find spherical t-designs on the 2-sphere with fewer points than known and prove they exist; t = 19 and t = 21 are the frontier.
| 1 | { |
| 2 | "domain": "mathematics", |
| 3 | "topics": [ |
| 4 | "discrete-geometry", |
| 5 | "combinatorics" |
| 6 | ], |
| 7 | "type": "construction", |
| 8 | "cover": { |
| 9 | "motif": "spheres", |
| 10 | "n": 3 |
| 11 | }, |
| 12 | "source": { |
| 13 | "key": "alphaevolve", |
| 14 | "name": "AlphaEvolve Repository of Problems", |
| 15 | "url": "https://google-deepmind.github.io/alphaevolve_repository_of_problems/problems/32.html", |
| 16 | "id": "32", |
| 17 | "curator": "Google DeepMind", |
| 18 | "status": "open", |
| 19 | "as_of": "2026-10-20", |
| 20 | "catalog": "0521c19bbd38" |
| 21 | }, |
| 22 | "review": true, |
| 23 | "approval": "first-time" |
| 24 | } |