Our purpose is to describe some basic ideas and constructions in C
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by Peter Greenberg
http://www.mathematik.uni-bielefeld.de/sfb343/preprints/pr92006.ps.gz
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Abstract:
, piecewise--projective (CPP for short) geometry on the circle. This geometry seems to provide a good context in which to discuss (see definition 1.1), the Higman--Thompson group G (see [Br], [GhS]) and certain of its subgroups (see [G2]). This report was written during a visit to the SFB at the University of Bielefeld, to which I am very grateful. Conversations with Ross Geoghegan and Vlad Sergiescu were both encouraging and helpful.
Citations
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