English

Rough Approximate subgroups

Logic 2025-10-01 v2 Combinatorics Group Theory

Abstract

Given a TT-rough definably amenable TT-rough approximate subgroup AA of a group in some first-order structure, there is a type-definable subgroup HH normalised by AA and contained in A4A^4 of bounded index in A\langle A\rangle.

Keywords

Cite

@article{arxiv.2209.03529,
  title  = {Rough Approximate subgroups},
  author = {A. Rodriguez Fanlo and F. O. Wagner},
  journal= {arXiv preprint arXiv:2209.03529},
  year   = {2025}
}