L2-Cohomology of geometrically infinite hyperbolic 3-manifolds
We give results on the following questions about a topologically tame hyperbolic 3-manifold M:¶1. Does M have nonzero square-integrable harmonic 1-forms?¶2. Does zero lie in the spectrum of the Laplacian acting on \(\Lambda^1 (M)/Ker(d)\)?
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