The C*-algebra of compact perturbations of diagonal operators

2019/03/14 by Andruchow, Esteban, Chiumiento, Eduardo, Varela, Alejandro
#46L05 #47Axx #FOS: Mathematics #Operator Algebras (math.OA)

paper · doi:10.48550/arxiv.1903.06102

Abstract

We study the elementary C*-algebra whose elements are the sum of a diagonal plus a compact operator. We describe the structure of the unitary group, the sets of ideals, automorhisms and projections.

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