Wiki. “形式特征” [形式特征]
Wiki. “形式特征” [形式特征]
考虑范畴 $$ \mathscr C = \Big\{ M \in \mathfrak g\mathsf {-Mod}\colon M = \bigoplus_{\lambda \in\Lambda } M_{\lambda }, \dim_{\mathbb{C}}M_\lambda <+\infty \Big\}. $$
性质
$\operatorname{ch}$
考虑范畴 $$ \mathscr C = \Big\{ M \in \mathfrak g\mathsf {-Mod}\colon M = \bigoplus_{\lambda \in\Lambda } M_{\lambda }, \dim_{\mathbb{C}}M_\lambda <+\infty \Big\}. $$
$\operatorname{ch}$