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Proceedings of the American Mathematical Society

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A condition that a normal operator have a closed numerical range


Author: Ching-Hwa Meng
Journal: Proc. Amer. Math. Soc. 8 (1957), 85-88
MSC: Primary 46.00
DOI: https://doi.org/10.1090/S0002-9939-1957-0094711-2
MathSciNet review: 0094711
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References [Enhancements On Off] (What's this?)

  • [1] B. Sz.Nagy, Spektraldarstellung linearer Transformationen des Hilbertschen Raumes, Ergebnisse der Mathematik vol. 5, Berlin, 1942.
  • [2] M. H. Stone, Linear transformations in Hilbert space and their applications to analysis, Amer. Math. Soc. Colloquium Publications, vol. 15, New York, 1932. MR 1451877 (99k:47001)

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DOI: https://doi.org/10.1090/S0002-9939-1957-0094711-2
Article copyright: © Copyright 1957 American Mathematical Society

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