The Calkin algebra has outer automorphisms

By N. Christopher Phillips, N. Weaver. 2006

75 citations recorded by the source corpus.

Assuming the continuum hypothesis, we show that the Calkin algebra has 2^{aleph_1} outer automorphisms.

Subfields: Algebra and Number Theory, Geometry and Topology, Mathematical Physics

View Paper: https://www.semanticscholar.org/paper/7e6c51d599fc07df0ddc1dba5b46830b54e0043c

How researchers see this paper

The researchers whose trusted networks rank it highest, strongest advocate first. Every researcher gets a different order.

In Algebra and Number Theory

1. Bradd Hart
2. Ilijas Farah

In Geometry and Topology

1. Bradd Hart
2. Ilijas Farah
3. G'abor Szab'o

In Mathematical Physics

1. Bradd Hart
2. Ilijas Farah
3. G'abor Szab'o
4. Gilles Pisier

Citations in the corpus

• Countable Saturation of Corona Algebras (2011, methodology): “13 below is in the spirit of [21], but instead of results about KK-theory it uses countable quantifier-free saturation.”
• ALL AUTOMORPHISMS OF THE CALKIN ALGEBRA ARE INNER (2007, methodology): “See [33] for a discussion and related open problems.”