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The Unlicense
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置换为什么和复合反着定义? #16

Closed qingwen-guan closed 4 years ago

qingwen-guan commented 4 years ago

因为变换群的时候，性质用着方便.

qingwen-guan commented 4 years ago

$ \tau_x \tauy = tau{xy}, t_x = g \mapsto gx $