Quadratic sparse domination and Weighted Estimates for non-integral Square Functions
Abstract
We prove a quadratic sparse domination result for general non-integral square functions . That is, we prove an estimate of the form \begin{equation*} \int_{M} (S f)^{2} g \, \mathrm{d}\mu \le c \sum_{P \in \mathcal{S}} \left(\frac{1}{\lvert 5P \rvert}\int_{5 P} \lvert f\rvert^{p_{0}} \, \mathrm{d}\mu\right)^{2/p_{0}} \left(\frac{1}{\lvert 5P \rvert} \int_{5 P} \lvert g\rvert^{q_{0}^*}\,\mathrm{d}\mu\right)^{1/q_{0}^*} \lvert P\rvert, \end{equation*} where is the H\"{o}lder conjugate of , is the underlying doubling space and is a sparse collection of cubes on . Our result will cover both square functions associated with divergence form elliptic operators and those associated with the Laplace-Beltrami operator. This sparse domination allows us to derive optimal norm estimates in the weighted space .
Cite
@article{arxiv.2007.15928,
title = {Quadratic sparse domination and Weighted Estimates for non-integral Square Functions},
author = {Julian Bailey and Gianmarco Brocchi and Maria Carmen Reguera},
journal= {arXiv preprint arXiv:2007.15928},
year = {2023}
}
Comments
31 pages