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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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Tensor products and joint numerical range
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by A. T. Dash PDF
Proc. Amer. Math. Soc. 40 (1973), 521-526 Request permission

Abstract:

It is shown that the joint numerical range of the tensor product of several operators is the cartesian product of their numerical ranges.
References
    A. T. Dash, Joint spectra, joint spectral sets and joint numerical range, Ph.D. Thesis, University of Toronto, 1969.
  • A. T. Dash, Joint spectra, Studia Math. 45 (1973), 225–237. MR 336381, DOI 10.4064/sm-45-3-225-237
  • J. Dixmier, Les algèbres d’opéprateurs dans l’espace Hilbertien, Gauthier-Villars, Paris, 1969. N. Dekker, Ph.D. Thesis, Amsterdam, 1969.
  • A. T. Dash and M. Schechter, Tensor products and joint spectra, Israel J. Math. 8 (1970), 191–193. MR 261377, DOI 10.1007/BF02771314
  • A. Guichardet, Tensor products of $C\ast$ -algebras, Lecture Notes Series, nos. 12, 13, Aarhus Universitet, Mathematisk Institut, Denmark, 1969.
  • Paul R. Halmos, A Hilbert space problem book, D. Van Nostrand Co., Inc., Princeton, N.J.-Toronto, Ont.-London, 1967. MR 0208368
  • François Trèves, Topological vector spaces, distributions and kernels, Academic Press, New York-London, 1967. MR 0225131
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Additional Information
  • © Copyright 1973 American Mathematical Society
  • Journal: Proc. Amer. Math. Soc. 40 (1973), 521-526
  • MSC: Primary 47A10
  • DOI: https://doi.org/10.1090/S0002-9939-1973-0336380-9
  • MathSciNet review: 0336380