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On the boundedness of Dunkl multipliers

Volume 281 / 2025

Suman Mukherjee, Sundaram Thangavelu Studia Mathematica 281 (2025), 77-100 MSC: Primary 42B15; Secondary 42B25, 47G10, 47B34 DOI: 10.4064/sm240626-24-11 Published online: 3 February 2025

Abstract

We use Littlewood–Paley–Stein theory to prove two versions of Dunkl multiplier theorem when the multiplier $m$ satisfies a modified Hörmander condition. When $m$ is radial we give a simple proof of a known result. For general $m$ we prove that the Dunkl multiplier operator takes radial functions in $L^p $ boundedly into $L^p$ for all $p \geq 2$.

Authors

  • Suman MukherjeeSchool of Mathematical Sciences
    National Institute of Science Education and Research
    An OCC of Homi Bhabha National Institute
    Bhubaneswar 752050, India
    e-mail
  • Sundaram ThangaveluDepartment of Mathematics
    Indian Institute of Science
    Bangalore 560012, India
    e-mail

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