English

On countable elementary free groups

Logic 2021-05-12 v2 Group Theory

Abstract

We prove that if a countable group is elementarily equivalent to a non-abelian free group and all of its abelian subgroups are cyclic, then the group is a union of a chain of regular NTQ groups (i.e., hyperbolic towers).

Keywords

Cite

@article{arxiv.2006.02414,
  title  = {On countable elementary free groups},
  author = {Olga Kharlampovich and Christopher Natoli},
  journal= {arXiv preprint arXiv:2006.02414},
  year   = {2021}
}

Comments

Updated references