Toeplitz operators on Bergman spaces and Hardy multipliers

Volume 204 / 2011

Wolfgang Lusky, Jari Taskinen Studia Mathematica 204 (2011), 137-154 MSC: Primary 47B35; Secondary 46E15. DOI: 10.4064/sm204-2-3


We study Toeplitz operators $T_a$ with radial symbols in weighted Bergman spaces $A_\mu ^p$, $1 < p < \infty $, on the disc. Using a decomposition of $A_\mu ^p$ into finite-dimensional subspaces the operator $T_a$ can be considered as a coefficient multiplier. This leads to new results on boundedness of $T_a$ and also shows a connection with Hardy space multipliers. Using another method we also prove a necessary and sufficient condition for the boundedness of $T_a$ for $a$ satisfying an assumption on the positivity of certain indefinite integrals.


  • Wolfgang LuskyFB 17, Mathematik und Informatik
    Universität Paderborn
    D-33098 Paderborn, Germany
  • Jari TaskinenDepartment of Mathematics and Statistics
    University of Helsinki
    P.O. Box 68
    FI-00014 Helsinki, Finland

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