The Bianchi groups are separable on geometrically finite subgroups

• 成果类型: Article
• 署名作者: Agol, I; Long, DD; Reid, AW
• 刊物名称: ANNALS OF MATHEMATICS
• ISSN/ISSBN: 0003-486X
• DOI: 10.2307/2661363
• 发表日期: 2001
• 页码: 599-621
• 关键词: 3-manifolds; SURFACES

摘要

Let d be a square free positive integer and O-d the ring of integers in Q(root -d). The main result of this paper is that the groups PSL(2,O-d) are subgroup separable on geometrically finite subgroups.