VARIATION OF THE DISCRETE EIGENVALUES OF NORMAL OPERATORS

Citation
L. Elsner et S. Friedland, VARIATION OF THE DISCRETE EIGENVALUES OF NORMAL OPERATORS, Proceedings of the American Mathematical Society, 123(8), 1995, pp. 2511-2517
Citations number
13
Categorie Soggetti
Mathematics, General",Mathematics
ISSN journal
00029939
Volume
123
Issue
8
Year of publication
1995
Pages
2511 - 2517
Database
ISI
SICI code
0002-9939(1995)123:8<2511:VOTDEO>2.0.ZU;2-9
Abstract
The Hoffman-Wielandt inequality, which gives a bound for the distance between the spectra of two normal matrices, is generalized to normal o perators A, B on a separable Hilbert space, such that A - B is Hilbert -Schmidt.