Commensurating HNN extensions: nonpositive curvature and biautomaticity

DOI10.2140/gt.2021.25.1819OpenAlexW3185931313MaRDI QIDQ2048460

Ashot Minasyan, Ian J. Leary

Publication date: 6 August 2021

Published in: Geometry \& Topology (Search for Journal in Brave)

Full work available at URL: https://arxiv.org/abs/1907.03515

zbMATH Keywords

biautomatic group\(\operatorname{CAT}(0)\) groupcommensurating HNN extension

Mathematics Subject Classification ID

Free products of groups, free products with amalgamation, Higman-Neumann-Neumann extensions, and generalizations (20E06) Word problems, other decision problems, connections with logic and automata (group-theoretic aspects) (20F10) Hyperbolic groups and nonpositively curved groups (20F67)

Related Items

Virtual Retraction Properties in Groups, No quasi-isometric rigidity for proper actions on CAT(0) cube complexes, Injective metrics on buildings and symmetric spaces, Commensurators of abelian subgroups of biautomatic groups, Lattices in a product of trees, hierarchically hyperbolic groups and virtual torsion‐freeness, The geometry of groups containing almost normal subgroups, Bredon cohomological dimension for virtually abelian stabilisers for CAT(0) groups, Helly meets Garside and Artin, Isomorphism classification of Leary-Minasyan groups

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