A new proof of a theorem of Ivanov and Schupp
Group Theory
2007-05-23 v1
Abstract
The object of this note is to give a very short proof of the following theorem of Ivanov and Schupp. Let H be a finitely generated subgroup of a free group F and the index [F:H] infinite. Then there exists a nontrivial normal subgroup N of F such that N cap H = {1}.
Keywords
Cite
@article{arxiv.math/0208026,
title = {A new proof of a theorem of Ivanov and Schupp},
author = {Delaram Kahrobaei},
journal= {arXiv preprint arXiv:math/0208026},
year = {2007}
}