Mathematische Zeitschrift

, Volume 180, Issue 3, pp 225–234 | Cite as

Positivity improving operators and hypercontractivity

  • Christer Borell


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Copyright information

© Springer-Verlag 1982

Authors and Affiliations

  • Christer Borell
    • 1
    • 2
  1. 1.Department MathematicsChalmers University of TechnologyGöteborgSweden
  2. 2.University of GöteborgGöteborgSweden

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