Random subgroups of free groups and groups hyperbolic relative to slender subgroups are invariant only under inner automorphisms.
Random subgroups of acylindrically hyperbolic groups and hyperbolic embeddings
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abstract
Let G be an acylindrically hyperbolic group. We consider a random subgroup H in G, generated by a finite collection of independent random walks. We show that, with asymptotic probability one, such a random subgroup H of G is a free group, and the semidirect product of H acting on E(G) is hyperbolically embedded in G, where E(G) is the unique maximal finite normal subgroup of G.
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math.GR 1years
2019 1verdicts
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Random subgroups, automorphisms, splittings
Random subgroups of free groups and groups hyperbolic relative to slender subgroups are invariant only under inner automorphisms.