Commutators, commensurators, and $\mathrm{PSL}_2(\mathbb{Z})$
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Publication:6308828
DOI10.1112/TOPO.12200zbMath1511.22015arXiv1810.11429MaRDI QIDQ6308828
Publication date: 26 October 2018
Geometric group theory (20F65) Unimodular groups, congruence subgroups (group-theoretic aspects) (20H05) Topological methods in group theory (57M07) Discrete subgroups of Lie groups (22E40) Structure of modular groups and generalizations; arithmetic groups (11F06) Fuchsian groups and their generalizations (group-theoretic aspects) (20H10) Hyperbolic groups and nonpositively curved groups (20F67) Group actions on manifolds and cell complexes in low dimensions (57M60)
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