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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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A Dixmier-Schaefer-Zhang theorem for operator algebras
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by L. J. Bunce, Kazuyuki Saitô and J. D. Maitland Wright PDF
Proc. Amer. Math. Soc. 127 (1999), 2975-2979 Request permission

Abstract:

Schaefer and Zhang have recently obtained an analogue, for sequentially order continuous functionals on $C(K)$, of a much earlier theorem of Dixmier. In this note it is shown that the Schaefer-Zhang Theorem has a natural generalisation to non-commutative $C^*$-algebras. These results are obtained as consequences of our main theorem which is concerned with affine functions on compact convex sets.
References
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Additional Information
  • Kazuyuki Saitô
  • Affiliation: Mathematical Institute, Tohoku University, Sendai 980, Japan
  • Email: saito@math.tohoku.ac.jp
  • J. D. Maitland Wright
  • Affiliation: Analysis and Combinatorics Research Centre, Mathematics Department, University of Reading, Reading RG6 6AX, England
  • Email: j.d.m.wright@rdg.ac.uk
  • Received by editor(s): August 1, 1997
  • Received by editor(s) in revised form: January 6, 1998
  • Published electronically: April 28, 1999
  • Communicated by: David R. Larson
  • © Copyright 1999 American Mathematical Society
  • Journal: Proc. Amer. Math. Soc. 127 (1999), 2975-2979
  • MSC (1991): Primary 46L05, 28A60
  • DOI: https://doi.org/10.1090/S0002-9939-99-04904-7
  • MathSciNet review: 1610924