1) convex subgroup
凸子群
2) convex l subgroup
凸l-子群
3) quasiconvex subgroup
拟凸子群
1.
A σ-quasiconvex subgroup of an asynchronously combable group is also asynchronously combable,and furthermore,a σ-quasiconvex subgroup of an asynchronously combable group equipped with a departure function is also asynchronously combable equipped with a departure function.
证明了异步可梳群的σ-拟凸子群仍是异步可梳群,并且如果异步可梳群具有分离函数,则其σ-拟凸子群也具有分离函数。
4) clsoed convex ι-subgroup
闭凸l-子群
5) large convex l-subgroup
大凸e-子群
6) the lattice of convex l-subgroups
凸l-子群格
补充资料：凸凸
1.高出貌。
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参考词条