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 ?
Peer Reviewed
http://deepblue.lib.umich.edu/bitstream/2027.42/41846/1/39-7-1-81_70070081.pdf