R. M. S. Mahmood, M. I. Khanfar, "Subgroups of quasi-HNN groups", International Journal of Mathematics and Mathematical Sciences, vol. 31, Article ID 203295, 13 pages, 2002. https://doi.org/10.1155/S0161171202103012
Subgroups of quasi-HNN groups
We extend the structure theorem for the subgroups of the class of HNN groups to a new class of groups called quasi-HNN groups. The main technique used is the subgroup theorem for groups acting on trees with inversions.
Copyright © 2002 Hindawi Publishing Corporation. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.