Semi-invertible extensions of C*-algebras

2010/05/12 by Manuilov, Vladimir, Thomsen, Klaus
#FOS: Mathematics #Operator Algebras (math.OA)

paper · doi:10.48550/arxiv.1005.1999

Abstract

We prolonge the list of C*-algebras for which all extensions by any stable separable C*-algebra are semi-invertible. In particular, we handle certain amalgamations, both of C*-algebras and of groups. Concerning groups we consider both reduced and full group C*-algebras.

Related

• Semigroup C*-algebras
• Semi-invertible extensions and asymptotic homomorphisms
• The group of unital C^*-extensions
• Extensions of C*-algebras by partial isometries
• Subalgebras of finite codimension in semiprojective C*-algebras