Date of Award

August 2018

Degree Type

Dissertation

Degree Name

Doctor of Philosophy

Department

Mathematics

First Advisor

Craig Guilbault

Committee Members

Chris Hruska, Boris Okun, Peter Hinow, Bruce Wade

Keywords

3-manifold, group boundary, semidirect product, strongly polycyclic, Z-structure

Abstract

Z-structures were originally formulated by Bestvina in order to axiomatize the properties that an ideal group boundary should have. In this dissertation, we prove that if a given group admits a Z-structure, then any semidirect product of that group with an infinite cyclic group will also admit a Z-structure. We then show how this can be applied to 3-manifold groups and strongly polycyclic groups.

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