Variation of the discrete eigenvalues of normal operators

L. Elsner, S. Friedland

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Source: Crossref

Published: Aug 1, 1995

DOI: 10.1090/s0002-9939-1995-1257103-x

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Source abstract

The Hoffman-Wielandt inequality, which gives a bound for the distance between the spectra of two normal matrices, is generalized to normal operators A, B on a separable Hilbert space, such that A − B A - B is Hilbert-Schmidt.

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