Browsing Faculty of Science & Technology (FST) by Subject "Binormal op erator, unitary equivalence"
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On unitary equivalence of some classes of operators in Hilbert spaces
(University of Nairobi, 2020)Abstract It is a well-known result in op erator theory that whenever two op erators are similar then they have equal sp ectra even though they do not have to belong to the same class of op erators. However ...