On Lipschitz functions of normal operators

Author:
Fuad Kittaneh

Journal:
Proc. Amer. Math. Soc. **94** (1985), 416-418

MSC:
Primary 47B15; Secondary 47A60

DOI:
https://doi.org/10.1090/S0002-9939-1985-0787884-4

MathSciNet review:
787884

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Abstract: It is shown that if and are normal operators on a separable, complex Hilbert space , and is a Lipschitz function on (i.e., for some positive constant and all , then for any operator on . In particular, .

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Additional Information

DOI:
https://doi.org/10.1090/S0002-9939-1985-0787884-4

Keywords:
Lipschitz function,
Hilbert-Schmidt operator,
normal operator

Article copyright:
© Copyright 1985
American Mathematical Society