English

About isolators of finitely generated subgroups of free groups

Group Theory 2020-09-22 v1

Abstract

It is known that in any free group the isolator of finitely generated subgroup is finitely generated subgroup. A very simple proof of this statement is proposed.

Keywords

Cite

@article{arxiv.2009.09735,
  title  = {About isolators of finitely generated subgroups of free groups},
  author = {David Moldavanskii},
  journal= {arXiv preprint arXiv:2009.09735},
  year   = {2020}
}