Subalgebras of finite codimension in semiprojective C*-algebras
Operator Algebras
2014-05-13 v1
Abstract
We show that semiprojectivity of a C*-algebra is preserved when passing to C*-subalgebras of finite codimension. In particular, any pullback of two semiprojective C*-algebras over a finite-dimensional C*-algebra is again semiprojective.
Keywords
Cite
@article{arxiv.1405.2750,
title = {Subalgebras of finite codimension in semiprojective C*-algebras},
author = {Dominic Enders},
journal= {arXiv preprint arXiv:1405.2750},
year = {2014}
}
Comments
9 pages