English

The Toeplitz algebra has nuclear dimension one

Operator Algebras 2019-04-24 v1

Abstract

We prove the title by constructing 2-colourable completely positive approximations for the Toeplitz algebra. Besides results about nuclear dimension and completely positive contractive order zero maps, our argument involves projectivity of the cone over a finite dimensional C*-algebra and Lin's theorem on almost normal matrices.

Keywords

Cite

@article{arxiv.1808.09647,
  title  = {The Toeplitz algebra has nuclear dimension one},
  author = {Laura Brake and Wilhelm Winter},
  journal= {arXiv preprint arXiv:1808.09647},
  year   = {2019}
}

Comments

8 pages

R2 v1 2026-06-23T03:47:29.247Z