English

Quasi-convex surface subgroups in some one-relator groups with torsion

Group Theory 2025-10-03 v1

Abstract

We find surface subgroups in certain one-relator groups with torsion and use this to deduce a profinite criterion for a word in the free group to be primitive.

Keywords

Cite

@article{arxiv.2510.01876,
  title  = {Quasi-convex surface subgroups in some one-relator groups with torsion},
  author = {Andrew Ng},
  journal= {arXiv preprint arXiv:2510.01876},
  year   = {2025}
}

Comments

5 pages