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H-joint numerical ranges
Published online by Cambridge University Press: 17 April 2009
Abstract
The notion of the joint numerical range of several linear operators with respect to a sesquilinear form is introduced. Geometrical properties of the joint numerical range are studied, in particular, convexity and angle points, in connection with the algebraic properties of the operators. The main focus is on the finite dimensional case.
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- Research Article
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- Copyright © Australian Mathematical Society 2002