AI cracks yet another century-old problem
On Sunday afternoon, while the rest of the world’s eyes were glued to the World Cup final, an AI model resolved a problem that had tortured mathematicians since 1939. Recommended Video By the time Kevin Buzzard woke up in London the next morning, the result had been verified. By lunch, it was all his peers at the Imperial College London’s pure mathematics department could talk about; at the time of writing, Anthropic employee Levant Alpöge’s post announcing the result has drawn more than 20 million views on X.
- ▪On Sunday afternoon, while the rest of the world’s eyes were glued to the World Cup final, an AI model resolved a problem that had tortured mathematicians since 1939.
- ▪Recommended Video By the time Kevin Buzzard woke up in London the next morning, the result had been verified.
- ▪By lunch, it was all his peers at the Imperial College London’s pure mathematics department could talk about; at the time of writing, Anthropic employee Levant Alpöge’s post announcing the result has drawn more than 20 million views on X.
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Attribution is not the same as permission. This drawer separates discovery metadata, excerpts, WeSearch-generated summaries, reuse status, and whether the publisher receives the visit. Nothing here claims a legal grant the publisher has not made.
Record
| Original publisher | Fortune |
| Canonical URL | https://fortune.com/2026/07/21/ai-solves-jacobian-conjecture-levant-alpoge-claude-fable-5/ |
| Publication time | Mon, 27 Jul 2026 17:36:33 +0000 |
| Retrieval time | 2026-07-27T18:12:49.255Z |
| Last seen | 2026-07-27T18:12:49.255Z |
| Headline source | Publisher (no WeSearch rewrite) |
| Excerpt source | publisher body |
| Excerpt method | First ~120 words (~800 chars) of extracted publisher body, fair-use limited. |
| Summary | WeSearch · cerebras-chat (WeSearch summarizer) |
| Summary source text | contentText |
| Citation coverage | Summary is a WeSearch-generated derivative; primary citation is the original publisher URL. |
| Cluster | bG2SN8wSxG9C · 1 stories |
| Cluster logic | Grouped by semantic title/content similarity across sources within a rolling window. Same-publisher template collisions are excluded from coverage comparison. |
| Ranking reason | Story pages are not engagement-ranked. Hub feeds use recency, with optional source-diversified chronological ordering (cap consecutive stories per source). No personalized ranking. |
| Publisher visit | Yes — open original |
| Substitutes article? | No — link-out required for full text |
Rights status (four layers)
WeSearch handling by dimension
| Indexing | May the item be indexed (stored, ranked, made findable)? | Allowed |
| Snippet | May a short excerpt of the publisher's text be shown? | Allowed |
| AI summary | May WeSearch generate its own short summary of the article? | Limited |
| Retrieval / RAG | May the content be exposed for third-party retrieval-augmented generation? | Not asserted |
| Model training | May the content be used to train AI models? | Not asserted |
| Commercial reuse | May the content be reused commercially? | Not permitted |
Basis: Derived from the published RSS/Atom feed. Contact: [email protected]. Reviewed: 2026-07-24.
Opening excerpt (first ~120 words) tap to expand
On Sunday afternoon, while the rest of the world’s eyes were glued to the World Cup final, an AI model resolved a problem that had tortured mathematicians since 1939. Recommended Video By the time Kevin Buzzard woke up in London the next morning, the result had been verified. By lunch, it was all his peers at the Imperial College London’s pure mathematics department could talk about; at the time of writing, Anthropic employee Levant Alpöge’s post announcing the result has drawn more than 20 million views on X. “It is a big day,” Buzzard told Fortune. “I think it’s a great time to be alive, personally.” It was the latest in a series of AI-driven mathematical breakthroughs.
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Excerpt limited to ~120 words for fair-use compliance. The full article is at Fortune.
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