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arxiv: 1802.04602 · v1 · pith:KBDONE4Xnew · submitted 2018-02-13 · 🧮 math.GR

Ends of Schreier graphs of hyperbolic groups

classification 🧮 math.GR
keywords endshyperbolicschreieralgorithmgraphgroupnumbersubgroup
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We study the number of ends of a Schreier graph of a hyperbolic group. Let G be a hyperbolic group and let H be a subgroup of G. In general, there is no algorithm to compute the number of ends of a Schreier graph of the pair (G, H). However, assuming that H is a quasi-convex subgroup of G, we construct an algorithm.

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