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CRITICAL EXPONENT OF NEGATIVELY CURVED THREE MANIFOLDS
Published online by Cambridge University Press: 31 July 2003
Abstract
We prove that for a negatively pinched ($-b^2\le\cK\le -1$) topologically tame 3-manifold $\skew5\tilde{M}/\Gamma$, all geometrically infinite ends are simply degenerate. And if the limit set of $\Gamma$ is the entire boundary sphere at infinity, then the action of $\Gamma$ on the boundary sphere is ergodic with respect to harmonic measure, and the Poincaré series diverges when the critical exponent is 2.
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- 2003 Glasgow Mathematical Journal Trust
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