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Intersection of transverse foliations in 3-manifolds: Hausdorff leafspace implies leafwise quasi-geodesic

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arxiv 2310.05176 v3 pith:Y5IT36KG submitted 2023-10-08 math.GT math.DGmath.DS

classification math.GTmath.DGmath.DS
keywords mathcaldimensionalfoliationfoliationsgromovhausdorffintersectionleaf
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abstract

Let $\mathcal{F}_1$ and $\mathcal{F}_2$ be transverse two dimensional foliations with Gromov hyperbolic leaves in a closed 3-manifold $M$ whose fundamental group is not solvable, and let $\mathcal{G}$ be the one dimensional foliation obtained by intersection. We show that $\mathcal{G}$ is \emph{leafwise quasigeodesic} in $\mathcal{F}_1$ and $\mathcal{F}_2$ if and only if the foliation $\mathcal{G}_L$ induced by $\mathcal{G}$ in the universal cover $L$ of any leaf of $\mathcal{F}_1$ or $\mathcal{F}_2$ has Hausdorff leaf space. We end up with a discussion on the hypothesis of Gromov hyperbolicity of the leaves.

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Cited by 3 Pith papers

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  1. Partially hyperbolic diffeomorphisms homotopic to the identity in dimension three

    math.DS 2025-05 conditional novelty 8.0 of 10

    Conservative partially hyperbolic diffeomorphisms homotopic to the identity on closed 3-manifolds with non-virtually-solvable fundamental group are always accessible and hence ergodic.

  2. Partially Hyperbolic Dynamics with Quasi-isometric Center

    math.DS 2024-11 conditional novelty 7.0 of 10

    Non-wandering partially hyperbolic diffeomorphisms with quasi-isometric center on closed 3-manifolds are either skew products over a torus Anosov map or discretized Anosov flows, and volume-preserving ones are ergodic.

  3. Quasi-isometric center action in dimension 3

    math.DS 2024-11 conditional novelty 7.0 of 10

    Transitive partially hyperbolic diffeomorphisms in dimension 3 that act quasi-isometrically on an invariant center foliation are classified up to finite lift and iterate as skew-products or discretised Anosov flows.

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