拓扑群同构 isomorphism of topological groups
换位子群同构 [数] commutator-group isomorphism
同构群 [数] isomorphic group ; [数] group of isomorphism
序同构群 order isomorphic group
同构集群 Homogeneous Cluster
自同构群 [数] group of automorphisms ; [数] automorphism group
外自同构群 [数] group of outer automorphism ; outer automorphism group
群的同构 the isomorphism of groups
群的同构类 isomorphism classes of groups
如果一个圈与某个群同痕，那么它与此群同构，因此也为一个群。
If a loop is isotopic to a group, then it is isomorphic to that group and thus is itself a group.
确定一个群的自同构群和内自同构群的结构往往十分困难，还没有一般性的理论及方法。
It is often very difficult to identify the structure of the automorphism group and the inner automorphism group of a group, and there is no general theory and method.
具体地构造出两个有限循环群的自由积的外自同构群，并给出了其阶的计算公式。
The outer automorphism group of the free product of two cyclic groups is constructed, and two exact formulas for calculating its order are established.
应用推荐