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 page lists evidence documents from Wikipedia.
Wikipedia documents |
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3-manifold - Wikipedia
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3-sphere - Wikipedia
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Grigori Perelman - Wikipedia
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