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[几何] 证明保角映射

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hbghlyj Posted 2025-1-23 16:32 |Read mode
conformal mappings between the flat torus and the embedded torus
\begin{align*}
& R > r > 0 \\[6pt]
x & =  (R + r \cos v) \cos u \\[4pt]
y & =  (R + r \cos v) \sin u \\[4pt]
z & =  r \sin v
\end{align*}
如果用 $f(v)$ 替换 $v$,其中 $f$ 满足 $
f' = \frac{R}{r} + \cos(f)
$,为什么以上映射变成保角映射

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2025-6-6 13:39 GMT+8

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