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Proceedings of the American Mathematical Society

Published by the American Mathematical Society since 1950, Proceedings of the American Mathematical Society is devoted to shorter research articles in all areas of pure and applied mathematics.

ISSN 1088-6826 (online) ISSN 0002-9939 (print)

The 2020 MCQ for Proceedings of the American Mathematical Society is 0.85.

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Finite dimensional representations of the soft torus
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by Søren Eilers and Ruy Exel PDF
Proc. Amer. Math. Soc. 130 (2002), 727-731 Request permission

Abstract:

The soft tori constitute a continuous deformation, in a very precise sense, from the commutative $C^*$-algebra $C(\mathbb {T}^2)$ to the highly non-commutative $C^*$-algebra $C^*(\mathbb {F}_2)$. Since both of these $C^*$-algebras are known to have a separating family of finite dimensional representations, it is natural to ask whether that is also the case for the soft tori. We show that this is in fact the case.
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Additional Information
  • Søren Eilers
  • Affiliation: Matematisk Afdeling, Københavns Universitet, Universitetsparken 5, DK-2100 Copenhagen Ø, Denmark
  • MR Author ID: 609837
  • Email: eilers@math.ku.dk
  • Ruy Exel
  • Affiliation: Departamento de Matemática, Universidade Federal de Santa Catarina, 88040-900 Florianópolis SC, Brazil
  • MR Author ID: 239607
  • Email: exel@mtm.ufsc.br
  • Received by editor(s): November 19, 1998
  • Received by editor(s) in revised form: August 28, 2000
  • Published electronically: June 21, 2001
  • Additional Notes: This work was partially supported by the Carlsberg Foundation
  • Communicated by: David R. Larson
  • © Copyright 2001 American Mathematical Society
  • Journal: Proc. Amer. Math. Soc. 130 (2002), 727-731
  • MSC (2000): Primary 46L05; Secondary 46L65, 46L85, 47B20
  • DOI: https://doi.org/10.1090/S0002-9939-01-06150-0
  • MathSciNet review: 1866027