Betti numbers and injectivity radii

Culler, Marc; Shalen, Peter

doi:10.1090/S0002-9939-09-09966-3

Betti numbers and injectivity radii
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by Marc Culler and Peter B. Shalen PDF

Proc. Amer. Math. Soc. 137 (2009), 3919-3922 Request permission

Abstract:

We give lower bounds on the maximal injectivity radius for a closed hyperbolic 3-manifold with first Betti number 2 under some additional topological hypotheses.

References

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