Abstract.
Let N=?3/Γ be a hyperbolic 3-manifold with free fundamental group π1(N)≅Γ≅<A,B>, such that [A,B] is parabolic. We show that the limit set λ of N is always locally connected. More precisely, let Σ be a compact surface of genus 1 with a single boundary component, equipped with the Fuchsian action of π1(Σ) on the circle S infty 1. We show that for any homotopy equivalence f:Σ?N, there is a natural continuous map¶¶F:S infty 1?λ⊂S infty 2,¶¶respecting the action of π1(Σ). In the course of the proof we determine the location of all closed geodesics in N, using a factorization of elements of π1(Σ) into simple loops.
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Oblatum 24-V-2000 & 27-III-2001¶Published online: 20 July 2001
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McMullen, C. Local connectivity, Kleinian groups and geodesics on the blowup of the torus. Invent. math. 146, 35–91 (2001). https://doi.org/10.1007/PL00005809
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DOI: https://doi.org/10.1007/PL00005809