Lens spaces and toroidal Dehn fillings
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- Lee, S. Math. Z. (2011) 267: 781. doi:10.1007/s00209-009-0646-0
We show that if M is a hyperbolic 3-manifold with ∂M a torus such that M(r1) is a lens space and M(r2) is toroidal, then Δ(r1, r2) ≤ 4.