J. Korean Math. Soc.
Online first article February 26, 2024
Copyright © The Korean Mathematical Society.
Xixi Jiang and Feng Liu
Shandong University of Science and Technology
We prove the Sobolev continuity of maximal commutator
and its fractional variant with Lipschitz symbols, both in the global
and local cases. The main result in global case answers a question
originally posed by Liu and Wang in \cite{LW}.
Keywords: Maximal commutator, fractional maximal commutator, Sobolev space, continuity
MSC numbers: 42B25;46E35
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