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On operator monotone and operator convex functions
Authors
Bikchentaev A.
Publication date
1 January 2016
Publisher
Abstract
© 2016, Allerton Press, Inc.We establish monotonicity and convexity criteria for a continuous function f: R+ → R with respect to any C*-algebra. We obtain an estimate for the measure of noncompactness of the difference of products of the elements of a W*-algebra. We also give a commutativity criterion for a positive τ-measurable operator and a positive operator from a von Neumann algebra
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Last time updated on 07/05/2019