Small cancellations over relatively hyperbolic groups and embedding theorems
classification
🧮 math.GR
keywords
groupshyperbolicfinitelygeneratedmathbbrelativelysmallaffirmative
read the original abstract
We generalize the small cancellation theory over hyperbolic groups developed by Olshanskii to the case of relatively hyperbolic groups. This allows us to construct infinite finitely generated groups with exactly $n$ conjugacy classes for every $n\ge 2$. In particular, we give the affirmative answer to the well--known question of the existence of a finitely generated group $G$ other than $\mathbb Z/2\mathbb Z$ such that all nontrivial elements of $G$ are conjugate.
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