English

Every classifiable simple C*-algebra has a Cartan subalgebra

Operator Algebras 2019-08-13 v3

Abstract

We construct Cartan subalgebras in all classifiable stably finite C*-algebras. Together with known constructions of Cartan subalgebras in all UCT Kirchberg algebras, this shows that every classifiable simple C*-algebra has a Cartan subalgebra.

Keywords

Cite

@article{arxiv.1802.01190,
  title  = {Every classifiable simple C*-algebra has a Cartan subalgebra},
  author = {Xin Li},
  journal= {arXiv preprint arXiv:1802.01190},
  year   = {2019}
}

Comments

final version, accepted for publication in Invent. Math.; title changed, results improved; 29 pages

R2 v1 2026-06-23T00:10:22.512Z