Detecting geometric splittings in finitely presented groups

We present an algorithm which given a presentation of a group \(G\) without 2-torsion, a solution to the word problem with respect to this presentation, and an acylindricity constant \({\kappa}\), outputs a collection of tracks in an appropriate presentation complex. We give two applications: the fi...

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Veröffentlicht in:arXiv.org 2017-01
1. Verfasser: Touikan, Nicholas W M
Format: Artikel
Sprache:eng
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Zusammenfassung:We present an algorithm which given a presentation of a group \(G\) without 2-torsion, a solution to the word problem with respect to this presentation, and an acylindricity constant \({\kappa}\), outputs a collection of tracks in an appropriate presentation complex. We give two applications: the first is an algorithm which decides if \(G\) admits an essential free decomposition, the second is an algorithm which; if \(G\) is relatively hyperbolic; decides if it admits an essential elementary splitting.
ISSN:2331-8422
DOI:10.48550/arxiv.0906.3902