An analogue of an inequality of J. von Neumann, isometric dilation of contractions, and approximation by isometries in spaces of measurable functions

zbMath0512.47008MaRDI QIDQ1839420

Vladimir V. Peller

Publication date: 1983

Published in: Proceedings of the Steklov Institute of Mathematics (Search for Journal in Brave)

zbMATH Keywords

inequality of von Neumannapproximation by isometriesisometric dilation of contractions

Mathematics Subject Classification ID

Spaces of measurable functions ((L^p)-spaces, Orlicz spaces, Köthe function spaces, Lorentz spaces, rearrangement invariant spaces, ideal spaces, etc.) (46E30) Norms (inequalities, more than one norm, etc.) of linear operators (47A30) Ergodic theory of linear operators (47A35) Homomorphisms and multipliers of function spaces on groups, semigroups, etc. (43A22) Functional calculus for linear operators (47A60) Dilations, extensions, compressions of linear operators (47A20)

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