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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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*-representations on Banach *-algebras
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by A. K. Gaur PDF
Proc. Amer. Math. Soc. 126 (1998), 1461-1466 Request permission

Abstract:

We study notions of $g$-bounded linear functionals and represent- able functionals on Banach *-algebras. An equivalence between these two is established for general Banach *-algebras. In particular, we characterize $g$-bounded linear functionals on Banach *-algebras with approximate identity and isometric involution. In addition, we prove a result on representation of $g$-bounded positive linear functionals in terms of cyclic vectors for the corresponding *-representation.
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Additional Information
  • A. K. Gaur
  • Affiliation: Department of Mathematics, Duquesne University, Pittsburgh, Pennsylvania 15282
  • Email: gaur@mathcs.duq.edu
  • Received by editor(s): October 16, 1995
  • Received by editor(s) in revised form: February 14, 1996, August 19, 1996, September 10, 1996, and October 25, 1996
  • Additional Notes: This research is supported by the Presidential Scholarship Award, 1995–96
  • Communicated by: Palle E. T. Jorgensen
  • © Copyright 1998 American Mathematical Society
  • Journal: Proc. Amer. Math. Soc. 126 (1998), 1461-1466
  • MSC (1991): Primary 46K15, 46H15
  • DOI: https://doi.org/10.1090/S0002-9939-98-03846-5
  • MathSciNet review: 1389519