DISTANCE BETWEEN COMMUTING TUPLES OF NORMAL OPERATORS

Citation
R. Bhatia et al., DISTANCE BETWEEN COMMUTING TUPLES OF NORMAL OPERATORS, Archiv der Mathematik, 71(3), 1998, pp. 229-232
Citations number
11
Categorie Soggetti
Mathematics,Mathematics
Journal title
ISSN journal
0003889X
Volume
71
Issue
3
Year of publication
1998
Pages
229 - 232
Database
ISI
SICI code
0003-889X(1998)71:3<229:DBCTON>2.0.ZU;2-U
Abstract
A sharp bound is obtained for the distance between two commuting tuple s of normal operators in terms of the distance between their joint spe ctra.