A geometric proof that SL_2(Z[t,t^-1]) is not finitely presented
Group Theory
2009-04-08 v3
Abstract
We give a new proof of the theorem of Krstic-McCool from the title. Our proof has potential applications to the study of finiteness properties of other subgroups of SL_2 resulting from rings of functions on curves.
Keywords
Cite
@article{arxiv.math/0412101,
title = {A geometric proof that SL_2(Z[t,t^-1]) is not finitely presented},
author = {Kai-Uwe Bux and Kevin Wortman},
journal= {arXiv preprint arXiv:math/0412101},
year = {2009}
}
Comments
This is the version published by Algebraic & Geometric Topology on 11 July 2006