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Operators similar to their adjoints


Author: James P. Williams
Journal: Proc. Amer. Math. Soc. 20 (1969), 121-123
DOI: https://doi.org/10.1090/S0002-9939-1969-0233230-5
MathSciNet review: 0233230
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References | Additional Information

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  • [1] W. A. Beck and C. R. Putnam, A note on normal operators and their adjoints, J. London Math. Soc. 31 (1956), 213-216. MR 0077905 (17:1114c)
  • [2] S. K. Berberian, A note on operators unitarily equivalent to their adjoints, J. London Math. Soc. 37 (1962), 403-404. MR 0141996 (25:5391)
  • [3] J. Dieudonné, Quasi-hermitian operators, Proc. Internat. Sympos. Linear Spaces (Jerusalem, 1960), Jerusalem Academic Press, Jerusalem; Pergamon, Oxford, 1961, pp. 115-122. MR 0187086 (32:4540)
  • [4] I. H. Sheth, On hyponormal operators, Proc. Amer. Math. Soc. 17 (1966), 998-1001. MR 0196498 (33:4685)


Additional Information

DOI: https://doi.org/10.1090/S0002-9939-1969-0233230-5
Article copyright: © Copyright 1969 American Mathematical Society

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