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[几何] 计算 n 维体积的 Schläfli微分公式

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hbghlyj posted 2025-1-20 20:33 |Read mode

Last edited by hbghlyj 2025-1-25 10:24$$dV = -\frac12 \sum_{ij}l_{ij} d \alpha_{ij},
$$其中 $l$ 是边的长度，$\alpha$ 是边的二面角。

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original poster hbghlyj posted 2025-1-25 18:23

如何证明

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2025-7-21 12:18 GMT+8

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