Every simply connected, closed 3-manifold is homeomorphic to the 3-sphere. Stated above is what mathematical problem named for a Frenchman that defied experts for a century before it was solved by Grigori Perelman in 2006?
Answer: Poincaré conjecture
The left column contains Web search results. The right column contains question entity pages from Wikipedia.
Web search results | Question entity pages |
---|---|
Ambarish - a student of life: Grigori Perelman World's top ...
... maths world when he solved a century-old puzzle ... "Every simply connected closed 3-manifold is homeomorphic to a 3-sphere." Dr Perelman proved ...
|
3-manifold - Wikipedia
|
School of Mathematical Sciences
... School of Mathematical ... Grigori Perelman gave a spectacular proof of the Poincare Conjecture (every smooth compact simply connected three ...
|
3-sphere - Wikipedia
|
|
Grigori Perelman - Wikipedia
|