On normal operator exponentials

Schmoeger, Christoph

doi:10.1090/S0002-9939-01-06123-8

On normal operator exponentials
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by Christoph Schmoeger PDF

Proc. Amer. Math. Soc. 130 (2002), 697-702 Request permission

Abstract:

Suppose that $A$ and $B$ are bounded normal operators on a complex Hilbert space and that $e^A e^B = e^B e^A$. In this paper some conditions implying $AB = BA$ are given.

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