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[几何] 计算 n 维体积的 Schläfli微分公式

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hbghlyj Posted at 2025-1-20 20:33:10 |Read mode

Last edited by hbghlyj at 2025-1-25 10:24:00$$dV = -\frac12 \sum_{ij}l_{ij} d \alpha_{ij},
$$其中 $l$ 是边的长度，$\alpha$ 是边的二面角。

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Author| hbghlyj Posted at 2025-1-25 18:23:18

如何证明

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