[KongchangAI]
Unverified50% confidenceFactExact time

The Poincaré conjecture was proposed by French mathematician Henri Poincaré in 1904, asserting that any simply connected, closed three-dimensional manifold is homeomorphic to the three-dimensional sphere.

1
Sources
50%
Confidence
Long-term
Relevance
10/27/2026
First Seen

Sources

Related Entities

Related Claims

Cite This Claim

Stable URI
https://kongchang.com/claim/1103839
API
curl https://kongchang.com/api/v1/knowledge/claims/1103839
MCP
get_claim(id=1103839)