English

Characterizations of Lorentz Type Sobolev Multiplier Spaces and Their Preduals

Functional Analysis 2026-01-21 v1 Analysis of PDEs

Abstract

We provide several characterizations of Sobolev multiplier spaces of Lorentz type and their preduals. Block decomposition and K\"othe dual of such preduals are discussed. As an application, the boundedness of local Hardy-Littlewood maximal function on these spaces will be justified.

Keywords

Cite

@article{arxiv.2601.12206,
  title  = {Characterizations of Lorentz Type Sobolev Multiplier Spaces and Their Preduals},
  author = {Keng Hao Ooi},
  journal= {arXiv preprint arXiv:2601.12206},
  year   = {2026}
}