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反対称tensorの定義
2階tensorの場合
\begin{aligned}\bm{A}は反対称\mathrm{tensor}:\iff&\bm{A}+\bm{A}^\top = \bm{0}\\\iff&\bm{A} = - \bm{A}^\top\end{aligned}
反対称行列の定義と同じ

3階のtensorの場合

Reference

#2021-03-07 19:25:06