The Bianchi groups are subgroup separable on geometrically finite subgroups

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We show that for certain arithmetic groups, geometrically finite subgroups are the intersection of finite index subgroups containing them. Examples are the Bianchi groups and the Seifert-Weber dodecahedral space. In particular, for manifolds commensurable with these groups, immersed incompressible surfaces lift to embeddings in a finite sheeted covering.
19 pages

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Geometric Topology

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http://salesiana.dossiersoluciones.com/handle/123456789/77736

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/math/9811114
 http://arxiv.org/abs/math/9811114

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arXiv