Abstract:In this article, we contribute to the study of the dynamics induced by the conjugation action on the space of subgroups of Baumslag-Solitar groups BS(m,n), via the mixing properties of elements asymptotically produced by suitable random walks on the group. In an acylindrically hyperbolic context, the authors of [HMO] demonstrated strong mixing situations, namely topological mu-mixing, a strengthening of high topological transitivity. Regarding non-metabelian and non-unimodular BS(m,n), we exhibit here a radically different situation on each of the pieces except one of the partition introduced in [CGLMS22] (although it is highly topologically transitive on each piece). On the other hand, when BS(m,n) is unimodular, we demonstrate the topological mu-mixing character on each of the pieces.
From: Sasha Bontemps [view email]
[v1]
Mon, 12 May 2025 15:32:44 UTC (21 KB)
[v2]
Wed, 18 Feb 2026 15:14:53 UTC (27 KB)
[v3]
Wed, 29 Jul 2026 12:11:44 UTC (31 KB)
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