Infinite Index Subgroups and Finiteness Properties of Intersections of Geometrically Finite Groups

  • Boris Apanasov, Swarup SS, BORIS APANASOV
  • Published 2005


We explore which types of finiteness properties are possible for intersections of geometrically finite groups of isometries in negatively curved symmetric rank one spaces. Our main tool is a twist construction which takes as input a geometrically finite group containing a normal subgroup of infinite index with given finiteness properties and infinite… (More)

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