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There are essentially three families of characterizations of relatively hyperbolic groups, corresponding to three different point of views. I’ll present two of them in this post, the ones I’m more familiar with, while in part 2 I’ll write about the … Continue reading
Treegraded spaces have been defined by Cornelia DruĊ£u and Mark Sapir [DS]. They provide models for the coarse geometry of relatively hyperbolic groups, see example 2) below, but I’ll get back on this in some other post. I’ll assume that … Continue reading