Weak Type (1,1) Bounds for Parametric Marcinkiewicz Integrals with Rough Kernels on Block Spaces

Let $\rho>0$, $\Omega\in L^1(S^{n-1})$ $(n\geq 2)$ be a homogeneous function of degree zero and have mean value zero. The parametric Marcinkiewicz integral of higher dimension is defined by $\mu_\rho(f)(x)=\left(\int_0^\infty\left|\int_{|y|\leq t}\frac{\Omega(y)}{|y|^{n-\rho}}f(x-y)\,dy\right|^2\frac{dt}{t^{1+2\rho}}\right)^{1/2}$. In this paper, we show that the parametric Marcinkiewicz integral is of weak type $(1,1)$ with rough kernels belonging to certain block spaces $B_q^{0,0}(S^{n-1})$ for any $q>1$.

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Publication Details

Journal
Analysis in Theory and Applications
Published
2026-10-30
DOI
https://doi.org/10.4208/ata.oa-2025-0049
Primary Topic
Advanced Harmonic Analysis Research
Type
article
Field-Weighted Citation Impact
0.00

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article

Weak Type (1,1) Bounds for Parametric Marcinkiewicz Integrals with Rough Kernels on Block Spaces

Huoxiong Wu, Teng Wang, Yanping Chen
1 links
Analysis in Theory and Applications
Advanced Harmonic Analysis Research
article

Weak Type (1,1) Bounds for Parametric Marcinkiewicz Integrals with Rough Kernels on Block Spaces

Huoxiong Wu, Teng Wang, Yanping Chen
article en

Abstract

Let $\rho>0$, $\Omega\in L^1(S^{n-1})$ $(n\geq 2)$ be a homogeneous function of degree zero and have mean value zero. The parametric Marcinkiewicz integral of higher dimension is defined by $\mu_\rho(f)(x)=\left(\int_0^\infty\left|\int_{|y|\leq t}\frac{\Omega(y)}{|y|^{n-\rho}}f(x-y)\,dy\right|^2\frac{dt}{t^{1+2\rho}}\right)^{1/2}$. In this paper, we show that the parametric Marcinkiewicz integral is of weak type $(1,1)$ with rough kernels belonging to certain block spaces $B_q^{0,0}(S^{n-1})$ for any $q>1$.

Analysis in Theory and Applications
Xiamen University (CN), Northeastern University (CN), University of Science and Technology Beijing (CN)
National Natural Science Foundation of China
Openalex Percentile: Top 7%
Advanced Harmonic Analysis Research
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