{
  "id": 9558120,
  "title": "AI solves 79-year-old math mystery of six-dimensional spheres",
  "url": "https://urgent.news/2026/09/24/ai-solves-79-year-old-math-mystery-of-six-dimensional-spheres",
  "topic": "ai",
  "section": "AI",
  "published": "2026-09-24T13:00:00.000Z",
  "source": {
    "name": "Scientific American",
    "slug": "scientific-american",
    "url": "https://www.scientificamerican.com/article/ai-solves-79-year-old-math-mystery-of-six-dimensional-spheres/"
  },
  "original_language": "en",
  "account": "Mathematician Levent Alpöge has reportedly used artificial intelligence to solve a 79-year-old math puzzle related to six-dimensional spheres. The problem, known as the Hopf problem, asks whether a six-dimensional sphere can be completely described using complex numbers. While experts previously showed that higher-dimensional spheres do not possess a complex structure, the case of the 6D sphere remained unresolved. Alpöge utilized an internal version of Anthropic's large language model, Claude, to generate a proof asserting that the 6D sphere indeed has a complex structure. However, the proof's comprehensibility is questionable, as it contains numerous minor details while overlooking critical steps. Mathematicians worldwide are now scrutinizing the claim, with many believing the construction to be plausible. The discovery of a new geometric object in the 6D sphere could potentially open up new avenues for mathematical exploration.",
  "summary": "Can a six-dimensional sphere be described using imaginary numbers? For decades, experts puzzled over this question. Now an AI has apparently answered it",
  "key_points": [],
  "editors_take": null,
  "illustration": null,
  "coverage": {
    "outlets": 1,
    "also_reported_by": []
  },
  "ai_generated": true,
  "disclaimer": "Summaries, key points and the editor’s take are written by software from other outlets’ reporting and may contain errors — always check the linked original."
}