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Property (QT) for 3-manifold groups

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arxiv 2108.03361 v4 pith:ULLRAONJ submitted 2021-08-07 math.GT math.GR

classification math.GTmath.GR
keywords propertygroupsmanifoldcompactdecompositiongeometrygrouporientable
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abstract

According to Bestvina-Bromberg-Fujiwara, a finitely generated group is said to have property (QT) if it acts isometrically on a finite product of quasi-trees so that orbital maps are quasi-isometric embeddings. We prove that the fundamental group $\pi_1(M)$ of a compact, connected, orientable 3-manifold $M$ has property (QT) if and only if no summand in the sphere-disc decomposition of $M$ supports either Sol or Nil geometry. In particular, all compact, orientable, irreducible 3-manifold groups with nontrivial torus decomposition and not supporting Sol geometry have property (QT). In the course of our study, we establish property (QT) for the class of Croke-Kleiner admissible groups and of relatively hyperbolic groups under natural assumptions has property (QT).

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Cited by 2 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Stable cylinders and fine structures for hyperbolic groups and curve graphs

    math.GT 2025-01 conditional novelty 8.0 of 10

    Every residually finite hyperbolic group, and every curve graph of a finite-type surface, admits globally stable cylinders.

  2. Property QT of relatively hierarchically hyperbolic groups

    math.GR 2024-12 unverdicted novelty 7.0 of 10

    Establishes a sufficient condition for relatively hierarchically hyperbolic groups to have property (QT) and applies it to residually finite groups in several classes including admissible groups and Artin groups of la...

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