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Centers of mass for operator-families
Published online by Cambridge University Press: 18 May 2009
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Let Hbe a complex Hilbert space and let B(H) be the algebra of (bounded) operators on H. Let A =(A,…,An) be an n-tuple of operators on H. The joint numerical range of A is the subset W(A) of ℂn such that
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- Copyright © Glasgow Mathematical Journal Trust 1992