A rigidity result for normalized subfactors
Operator Algebras
2026-04-28 v2
Abstract
We show a rigidity result for subfactors that are normalized by a representation of a lattice in a higher rank simple Lie group with trivial center into a finite factor. This implies that every subfactor of which is normalized by the natural copy of is trivial or of finite index.
Cite
@article{arxiv.1903.04895,
title = {A rigidity result for normalized subfactors},
author = {Vadim Alekseev and Rahel Brugger},
journal= {arXiv preprint arXiv:1903.04895},
year = {2026}
}
Comments
shorter proof and more general result