摘要
本文研究了单位球Bn上小伸缩商拟共形群的离散性质,给出了几个离散判别准则和收敛定理.
In this paper, the discreteness of non-elementary quasiconformal groups with small dilatation in Bn are studied and several discreteness criteria and convergence theorems are obtained.
出处
《数学年刊(A辑)》
CSCD
北大核心
2005年第3期413-418,共6页
Chinese Annals of Mathematics
基金
国家自然科学基金(No.10271077)资助的项目.
关键词
非初等群
离散群
极限集
伸缩商
Nonelementary groups, Discrete groups, Limit sets, Dilatation