答:1979年左右,我在普林斯顿,应邀去康乃尔给演讲,在那里遇到汉米尔顿,他告诉我他在考虑瑞奇流(Ricci flow),跟我讲了一大套看法。我说瑞奇流很自然,当然要考虑,可是并不容易做,因为太复杂了。
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Hamilton's Ricci Flow 哈密顿 ; 度量几何
The ricci flow 里奇流
Weighted Ricci flow 加权Ricci流
discrete Ricci flow 离散Ricci流
Dr Perelman proved Poincaré's conjecture by taking an equation normally used to model heat dissipation in three-dimensional objects, known as Ricci flow.
佩雷尔曼博士利用广为人知的“瑞奇流(Ricci flow)”这样一个热方程来证明了庞加莱猜想。
Dr Perelman overcame this difficulty by cutting off the singularities, continuing with the Ricci-flow application and then rejoining the transformed objects later.
佩雷尔曼博士克服这一困难,他切断了奇点,继续运用瑞奇流并重新接合已变形的物体。
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