UtafutajiJournal Articles Kwa Somo "Numerical range, State, Finite operator."
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On the Numerical Ranges
(International Journal of Scientific and Innovative Mathematical Research (IJSIMR), 2015-08)Properties of operators in a C*-algebra B(H) have been studied by many researchers in operator theory. This paper is an investigation of the numerical ranges of operators in B(H) . We show that zero is in the algebraic ...