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A von Neumann type inequality for certain domains in Cn
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SYSNO ASEP 0106804 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Ostatní články Title A von Neumann type inequality for certain domains in Cn Title Von Neumannova nerovnost pro jisté oblasti v Cn Author(s) Ambrozie, Calin-Grigore (MU-W) RID, SAI
Timotin, D. (RO)Source Title Proceedings of the American Mathematical Society. - : American Mathematical Society - ISSN 0002-9939
Roč. 131, č. 3 (2002), s. 859-869Number of pages 11 s. Language eng - English Country US - United States Keywords von Neumann inequality ; multioperators ; Nevanlinna-Pick problem Subject RIV BA - General Mathematics R&D Projects GA201/03/0041 GA ČR - Czech Science Foundation (CSF) CEZ AV0Z1019905 - MU-W Annotation Strict contractions on a Hilbert space have a functional calculus with functions that are analytic in the unit disc of the complex plane; an estimate of thenorm is then provided by von Neumannďs inequality. We consider functions that satisfy related inequalities with respect to multioperators connected to certain domains in Cn; a representation formula and a Nevanlinna-Pick type. Workplace Mathematical Institute Contact Jarmila Štruncová, struncova@math.cas.cz, library@math.cas.cz, Tel.: 222 090 757 Year of Publishing 2005
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