English

On the Choi-Effros multiplication

Operator Algebras 2013-04-29 v2

Abstract

A short proof is given for the well-known Choi-Effros theorem on the structure of ranges of completely positive projections.

Keywords

Cite

@article{arxiv.1304.6664,
  title  = {On the Choi-Effros multiplication},
  author = {Bebe Prunaru},
  journal= {arXiv preprint arXiv:1304.6664},
  year   = {2013}
}

Comments

1 page, minor corrections

R2 v1 2026-06-22T00:05:42.633Z