Finite presentability of normal fibre products
Group Theory
2013-05-30 v2
Abstract
We use Bieri-Strebel invariants to determine when a normal fibre product in the product of two finitely presented groups is finitely presented. We give conditions that imply and in some cases characterize the existence of such finitely presented fibre products.
Keywords
Cite
@article{arxiv.1302.2745,
title = {Finite presentability of normal fibre products},
author = {Conchita Martínez-Pérez},
journal= {arXiv preprint arXiv:1302.2745},
year = {2013}
}
Comments
This version includes many changes and new results suggested by a referee