English

Residually finite non-exact groups

Group Theory 2019-01-18 v3 Metric Geometry

Abstract

We construct the first examples of residually finite non-exact groups. The construction is based on author's earlier construction of groups containing isometrically expanders using a graphical small cancellation.

Keywords

Cite

@article{arxiv.1703.03791,
  title  = {Residually finite non-exact groups},
  author = {Damian Osajda},
  journal= {arXiv preprint arXiv:1703.03791},
  year   = {2019}
}

Comments

final preprint version

R2 v1 2026-06-22T18:42:35.085Z