English

Some Calkin algebras have outer automorphisms

Logic 2013-03-20 v2 Operator Algebras

Abstract

We consider various quotients of the C*-algebra of bounded operators on a nonseparable Hilbert space, and prove in some cases that, consistently, there are many outer automorphisms.

Keywords

Cite

@article{arxiv.1211.4134,
  title  = {Some Calkin algebras have outer automorphisms},
  author = {Ilijas Farah and Paul McKenney and Ernest Schimmerling},
  journal= {arXiv preprint arXiv:1211.4134},
  year   = {2013}
}

Comments

8 pages

R2 v1 2026-06-21T22:40:06.935Z