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Multipliers of weak type on locally compact Vilenkin groups
Authors:T S Quek
Institution:Department of Mathematics, National University of Singapore, Singapore 0511, Republic of Singapore
Abstract:Let $G$ be a locally compact Vilenkin group with dual group $\Gamma $. We give a sufficient condition for $f\in L^\infty (\Gamma )$ to be a multiplier of weak type $(p,p)$ on $G$. Some applications of our result are given. We also prove that our result is sharp.

Keywords:Vilenkin groups  Fourier multipliers  Lipschitz spaces
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