English

Von Neumann equivalence and group exactness

Operator Algebras 2023-09-06 v2 Group Theory

Abstract

We will show that group exactness is a von Neumann equivalence invariant. This result generalizes the previously known fact stating that group exactness is invariant under measure equivalence and W*-equivalence.

Keywords

Cite

@article{arxiv.2202.13872,
  title  = {Von Neumann equivalence and group exactness},
  author = {Bat-Od Battseren},
  journal= {arXiv preprint arXiv:2202.13872},
  year   = {2023}
}

Comments

10 pages

R2 v1 2026-06-24T09:56:30.940Z