Positivity improving operators and hypercontractivity

DOI10.1007/BF01318906zbMath0472.47015MaRDI QIDQ1157761

Christer Borell

Publication date: 1982

Published in: Mathematische Zeitschrift (Search for Journal in Brave)

Full work available at URL: https://eudml.org/doc/173183

zbMATH Keywords

spectral gaphypercontractivitypositivity preserving operator

Mathematics Subject Classification ID

Norms (inequalities, more than one norm, etc.) of linear operators (47A30) Hermitian and normal operators (spectral measures, functional calculus, etc.) (47B15) Spectrum, resolvent (47A10)

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