使人烦燥
发表于 2025-3-23 11:18:04
M. Daniel Lane,Henry M. Miziorkosee, these are the ., provided our object has only a finite amount of symmetry. In other words a . subgroup of .. is either cyclic, dihedral, or isomorphic to the rotational symmetry group of one of the regular solids. We begin with a less ambitious result which deals with finite subgroups of ...
被诅咒的人
发表于 2025-3-23 15:27:10
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accrete
发表于 2025-3-23 20:56:16
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内疚
发表于 2025-3-23 23:20:50
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compel
发表于 2025-3-24 06:26:22
Jiro Abe,Yoichi Kobayashi,Katsuya Mutoh for example interchanging 1 and 3 while leaving 2 fixed gives a permutation of the first three integers. By a . of an arbitrary set . we shall mean a bijection from . to itself. The collection of . permutations of . forms a group S. under composition of functions. There is very little to check. If
Commentary
发表于 2025-3-24 09:00:51
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后来
发表于 2025-3-24 11:24:04
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杀人
发表于 2025-3-24 18:44:51
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贫穷地活
发表于 2025-3-24 19:42:59
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过份艳丽
发表于 2025-3-25 02:27:41
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