Examples of masas in C*-algebras

2009/03/23 by Jean Renault, Renault, Jean · 2 citations
Mathematics · Physics and Astronomy · #46L55 #Advanced Operator Algebra Research #Advanced Topics in Algebra #FOS: Mathematics #Noncommutative and Quantum Gravity Theories #Operator Algebras (math.OA)

paper · pdf · doi:10.48550/arxiv.0903.3868

openalex publication_date 2009/03/23 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28

Abstract

This paper illustrates the notion of a Cartan subalgebra in a C*-algebra through a number of examples and counterexamples. Some of these examples have a geometrical flavour and are related to orbifolds and non-Hausdorff manifolds.

Cited by

• Simplicity of algebras associated to étale groupoids
• Flip conjugacy and asymptotic continuous orbit equivalence of Smale spaces

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