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Related papers: Some new weighted estimates on product spaces

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We complement the recent theory of general singular integrals $T$ invariant under the Zygmund dilations $(x_1, x_2, x_3) \mapsto (s x_1, tx_2, st x_3)$ by proving necessary and sufficient conditions for the boundedness and compactness of…

Classical Analysis and ODEs · Mathematics 2024-12-04 Kangwei Li , Henri Martikainen

We develop a general theory of multilinear singular integrals with operator-valued kernels, acting on tuples of UMD Banach spaces. This, in particular, involves investigating multilinear variants of the $\mathcal R$-boundedness condition…

Classical Analysis and ODEs · Mathematics 2020-06-02 Francesco Di Plinio , Kangwei Li , Henri Martikainen , Emil Vuorinen

Via the new weight function $A_{\vec p}^{\theta }(\varphi )$, the authors introduce a new class of multilinear Littlewood--Paley $g_{\lambda}^{*}$ functions and establish the boundedness on weighted Lebesgue spaces. In addition, the authors…

Functional Analysis · Mathematics 2024-04-04 Huimin Sun , Shuhui Yang , Yan Lin

In this paper, we investigate the multilinear boundedness properties of the higher ($n$-th) order Calder\'on commutator for dimensions larger than two. We establish all multilinear endpoint estimates for the target space…

Classical Analysis and ODEs · Mathematics 2018-08-02 Xudong Lai

We consider here a problem of finding the sharp estimate for the boundedness of an arbitrary Calder\'on-Zygmund operator in $L^2(w)$, $w\in A_2$. We first prove that for $A_2$ weight $w$ one has that the norm a Calderon--Zygmund operator…

Analysis of PDEs · Mathematics 2010-06-15 Carlos Perez , Sergei Treil , Alexander Volberg

We prove $L^p$ bounds for the extensions of standard multilinear Calder\'on-Zygmund operators to tuples of UMD spaces tied by a natural product structure. This can, for instance, mean the pointwise product in UMD function lattices, or the…

Classical Analysis and ODEs · Mathematics 2020-08-17 Francesco Di Plinio , Kangwei Li , Henri Martikainen , Emil Vuorinen

We consider a conjecture attributed to Muckenhoupt and Wheeden which suggests a positive relationship between the continuity of the Hardy-Littlewood maximal operator and the Hilbert transform in the weighted setting. Although continuity of…

Classical Analysis and ODEs · Mathematics 2011-09-12 Maria Carmen Reguera , James Scurry

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 study the boundedness theory for maximal Calder\'on-Zygmund operators acting on noncommutative $L_p$-spaces. Our first result is a criterion for the weak type $(1,1)$ estimate of noncommutative maximal Calder\'on-Zygmund…

Classical Analysis and ODEs · Mathematics 2020-10-21 Guixiang Hong , Xudong Lai , Bang Xu

The aim of this article is to give a complete solution to the problem of the bilinear decompositions of the products of some Hardy spaces $H^p(\mathbb{R}^n)$ and their duals in the case when $p<1$ and near to $1$, via wavelets, paraproducts…

Classical Analysis and ODEs · Mathematics 2016-03-22 Jun Cao , Luong Dang Ky , Dachun Yang

We establish hyperweak boundedness of area functions, square functions, maximal operators and Calder\'on--Zygmund operators on products of two stratified Lie groups.

Functional Analysis · Mathematics 2025-02-05 Michael G. Cowling , Ming-Yi Lee , Ji Li , Jill Pipher

In this paper, we establish the boundedness of the commutators of multilinear Hausdorff operators on the product of some weighted Morrey-Herz type spaces with variable exponent with their symbols belong to both Lipschitz space and central…

Classical Analysis and ODEs · Mathematics 2017-10-05 Nguyen Minh Chuong , Dao Van Duong , Kieu Huu Dung

We present a transplantation theorem for Jacobi coefficients in weighted spaces. In fact, by using a discrete vector-valued local Calder\'{o}n-Zygmund theory, which has recently been furnished, we prove the boundedness of transplantation…

Classical Analysis and ODEs · Mathematics 2018-12-21 Alberto Arenas , Óscar Ciaurri , Edgar Labarga

Denote by $T$ and $I_{\alpha}$ the bilinear Calder\'{o}n-Zygmund operators and bilinear fractional integrals, respectively. In this paper, it is proved that if $b_{1},b_{2}\in {\rm CMO}$ (the {\rm BMO}-closure of…

Functional Analysis · Mathematics 2017-03-21 Dinghuai Wang , Jiang Zhou , Zhidong Teng

Let $R$ be the vector of Riesz transforms on $\mathbb{R}^n$, and let $\mu,\lambda \in A_p$ be two weights on $\mathbb{R}^n$, $1 < p < \infty$. The two-weight norm inequality for the commutator $[b, R] : L^p(\mathbb{R}^n;\mu) \to…

Classical Analysis and ODEs · Mathematics 2017-05-30 Irina Holmes , Michael T. Lacey , Brett D. Wick

To study the compactness of bilinear commutators of certain bilinear Calder\'on--Zygmund operators which include (inhomogeneous) Coifman--Meyer bilinear Fourier multipliers and bilinear pseudodifferential operators as special examples,…

Classical Analysis and ODEs · Mathematics 2020-07-08 Jin Tao , Qingying Xue , Dachun Yang , Wen Yuan

We establish local Calder\'on-Zygmund type estimates for weak solutions to nonlinear parabolic systems with $p$-growth and VMO coefficients. In particular, we prove that if the right-hand side belongs locally to $L^{\mu s}$, where the…

Analysis of PDEs · Mathematics 2026-04-24 Pêdra Andrade , Verena Bögelein , Frank Duzaar , Kristian Moring

Let $T$ be a multilinear operator which is bounded on certain products of unweighted Lebesgue spaces of $\mathbb R^n$. We assume that the associated kernel of $T$ satisfies some mild regularity condition which is weaker than the usual…

Classical Analysis and ODEs · Mathematics 2012-04-17 The Anh Bui , Xuan Thinh Duong

In a previous paper by one of us, a "compact version" of Rubio de Francia's weighted extrapolation theorem was proved, which allows one to extrapolate the compactness of an operator from just one space to the full range of weighted spaces,…

Functional Analysis · Mathematics 2022-02-22 Tuomas Hytönen , Stefanos Lappas

We prove genuinely multilinear weighted estimates for singular integrals in product spaces. The estimates complete the qualitative weighted theory in this setting. Such estimates were previously known only in the one-parameter situation.…

Classical Analysis and ODEs · Mathematics 2021-10-07 Kangwei Li , Henri Martikainen , Emil Vuorinen