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Tame Combings of Groups
Authors:Michael L Mihalik  Steven T Tschantz
Institution:Department of Mathematics, Vanderbilt University, Nashville, Tennessee 37240 ; Department of Mathematics, Vanderbilt University, Nashville, Tennessee 37240
Abstract:In this paper, we introduce the idea of tame combings for finitely presented groups. If $M$ is a closed irreducible 3-manifold and $\pi _{1}(M)$ is tame combable, then the universal cover of $M$ is homeomorphic to ${\mathbb {R}}^{3}$. We show that all asynchronously automatic and all semihyperbolic groups are tame combable.

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