A condition that a normal operator have a closed numerical range
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- by Ching-Hwa Meng PDF
- Proc. Amer. Math. Soc. 8 (1957), 85-88 Request permission
References
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B. Sz.Nagy, Spektraldarstellung linearer Transformationen des Hilbertschen Raumes, Ergebnisse der Mathematik vol. 5, Berlin, 1942.
- Marshall Harvey Stone, Linear transformations in Hilbert space, American Mathematical Society Colloquium Publications, vol. 15, American Mathematical Society, Providence, RI, 1990. Reprint of the 1932 original. MR 1451877, DOI 10.1090/coll/015
Additional Information
- © Copyright 1957 American Mathematical Society
- 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