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We give a short proof of the sharp weighted bound for sparse operators that holds for all $p$, $1<p<\infty$. By recent developments this implies the bounds hold for any Calder\'on-Zygmund operator. The novelty of our approach is that we…

Classical Analysis and ODEs · Mathematics 2012-11-16 Kabe Moen

We introduce the so called convex body valued sparse operators, which generalize the notion of sparse operators to the case of spaces of vector valued functions. We prove that Calder\'on--Zygmund operators as well as Haar shifts and…

Classical Analysis and ODEs · Mathematics 2017-05-22 Fedor Nazarov , Stefanie Petermichl , Sergei Treil , Alexander Volberg

In this paper we prove some sharp weighted norm inequalities for the multi(sub)linear maximal function $\Mm$ introduced in \cite{LOPTT} and for multilinear Calder\'on-Zygmund operators. In particular we obtain a sharp mixed…

Classical Analysis and ODEs · Mathematics 2012-11-22 Wendolín Damián , Andrei K. Lerner , Carlos Pérez

The purpose of this paper is to study sparse domination estimates of composition operators in the setting of complex function theory. The method originates from proofs of the $A_2$ theorem for Calder\'on-Zygmund operators in harmonic…

Complex Variables · Mathematics 2020-01-09 Bingyang Hu , Songxiao Li , Yecheng Shi , Brett D. Wick

For 1<p< \infty, weight w \in A_p, and any L ^2 -bounded Calder\'on-Zygmund operator T, we show that there is a constant C(T,P) so that we prove the sharp norm dependence on T_#, the maximal truncations of T, in both weak and strong type…

Given $1\leq q<p<\infty$ quantitative weighted L^p estimates, in terms of Aq weights, for vector valued maximal functions, Calder\'on-Zygmund operators, commutators and maximal rough singular integrals are obtained. The results for singular…

Classical Analysis and ODEs · Mathematics 2019-06-03 Joshua Isralowitz , Sandra Pott , Israel P. Rivera-Ríos

Let $L$ be a closed, densely defined operator on $L^2(\mathbb{R}^n)$ satisfying suitable $L^p-L^q$ off-diagonal estimates of order $\kappa > 0$. This paper aims to investigate the two-weight estimate and the Bloom weighted estimate for the…

Classical Analysis and ODEs · Mathematics 2024-11-12 The Anh Bui , Linfei Zheng

The recent proof of the sharp weighted bound for Calder\'on-Zygmund operators has led to much investigation in sharp mixed bounds for operators and commutators, that is, a sharp weighted bound that is a product of at least two different…

Classical Analysis and ODEs · Mathematics 2014-01-10 Theresa C. Anderson , Wendolín Damián

In this paper we solve a long standing problem about the bilinear $T1$ theorem to characterize the (weighted) compactness of bilinear Calder\'{o}n-Zygmund operators. Let $T$ be a bilinear operator associated with a standard bilinear…

Classical Analysis and ODEs · Mathematics 2024-07-31 Mingming Cao , Honghai Liu , Zengyan Si , Kôzô Yabuta

In this note we give simple proofs of several results involving maximal truncated Calde\'on-Zygmund operators in the general setting of rearrangement invariant quasi-Banach function spaces by sparse domination. Our techniques allow us to…

Classical Analysis and ODEs · Mathematics 2019-10-29 Theresa C. Anderson , Bingyang Hu

In this paper, we first introduce some new Morrey type spaces containing generalized Morrey space and weighted Morrey space as special cases. Then we discuss the strong type and weak type estimates for a class of Calder\'on--Zygmund type…

Classical Analysis and ODEs · Mathematics 2016-03-15 Hua Wang

We complete our theory of weighted $L^p(w_1) \times L^q(w_2) \to L^r(w_1^{r/p} w_2^{r/q})$ estimates for bilinear bi-parameter Calder\'on--Zygmund operators under the assumption that $w_1 \in A_p$ and $w_2 \in A_q$ are bi-parameter weights.…

Classical Analysis and ODEs · Mathematics 2020-04-21 Emil Airta , Kangwei Li , Henri Martikainen , Emil Vuorinen

Let $D\subset \mathbb{R}^d$ be a bounded Lipschitz domain, $\omega$ be a high order modulus of continuity and let $T$ be a convolution Calder\'{o}n-Zygmund operator. We characterize the bounded restricted operators $T_D$ on the Zygmund…

Functional Analysis · Mathematics 2022-08-02 Andrei V. Vasin , Evgueni Doubtsov

In this work we obtain weighted boundedness results for singular integral operators with kernels exhibiting exponential decay. We also show that the classes of weights are characterized by a suitable maximal operator. Additionally, we study…

Analysis of PDEs · Mathematics 2025-09-05 Estefanía Dalmasso , Gabriela R. Lezama , Marisa Toschi

In this paper we consider a generalized version of bounded oscillation operators, involving new parameters in the definition, as well as considering the operators on vector-valued function spaces. With this definition we will capture some…

Classical Analysis and ODEs · Mathematics 2023-08-08 Grigori A. Karagulyan

Concerned with elliptic operators with stationary random coefficients governed by linear or nonlinear mixing conditions and bounded (or unbounded) $C^1$ domains, this paper mainly studies (weighted) annealed Calder\'on-Zygmund estimates,…

Analysis of PDEs · Mathematics 2024-05-30 Li Wang , Qiang Xu

We improve on several weighted inequalities of recent interest by replacing a part of the A_p bounds by weaker A_\infty estimates involving Wilson's A_\infty constant \[ [w]_{A_\infty}':=\sup_Q\frac{1}{w(Q)}\int_Q M(w\chi_Q). \] In…

Classical Analysis and ODEs · Mathematics 2011-03-30 Tuomas Hytönen , Carlos Pérez

Let $T$ be a bilinear Calder\'on-Zygmund singular integral operator and $T^*$ be its corresponding truncated maximal operator. For any $b\in\text{BMO}(\mathbb {R}^n)$ and $\vec{b}=(b_1,\ b_2)\in\text{BMO}(\mathbb {R}^n)\times\text…

Classical Analysis and ODEs · Mathematics 2020-12-29 Shifen Wang , Qingying Xue

In this paper, we first introduce several new classes of weighted amalgam spaces. Then we discuss both strong type and weak type estimates for certain multilinear $\theta$-type Calder\'on--Zygmund operators $T_\theta$ recently introduced in…

Classical Analysis and ODEs · Mathematics 2023-02-23 Xia Han , Hua Wang

By means of appropriate sparse bounds, we deduce compactness on weighted $L^p(w)$ spaces, $1<p<\infty$, for all Calder\'on-Zygmund operators having compact extensions on $L^2(\mathbb{R}^n)$. Similar methods lead to new results on…

Classical Analysis and ODEs · Mathematics 2024-07-23 Cody B. Stockdale , Paco Villarroya , Brett D. Wick