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Boundary Points of the Numerical Range of an Operator
Published online by Cambridge University Press: 20 November 2018
Extract
The purpose of this note is to investigate boundary points of the numerical range of an operator in terms of inner and outer center points. Some applications on commutators are given.
Throughout this note, an operator will always mean a bounded linear operator on a Hilbert space X.
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- Copyright © Canadian Mathematical Society 1975
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