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Related papers: On a Muckenhoupt-type condition for Morrey spaces

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We prove that for operators satistying weighted inequalities with $A_p$ weights the boundedness on a certain class of Morrey spaces holds with weights of the form $|x|^\alpha w(x)$ for $w\in A_p$. In the case of power weights the shift with…

Functional Analysis · Mathematics 2019-10-30 Javier Duoandikoetxea , Marcel Rosenthal

This manuscript addresses Muckenhoupt $A_{p}$ weight theory in connection to Morrey and BMO spaces. It is proved that $\omega$ belongs to Muckenhoupt $A_{p}$ class, if and only if Hardy-Littlewood maximal function $M$ is bounded from…

Functional Analysis · Mathematics 2016-11-21 Dinghuai Wang , Jiang Zhou

We define a Muckenhoup-type condition on weighted Morrey spaces using the K\"othe dual of the space. We show that the condition is necessary and sufficient for the boundedness of the maximal operator defined with balls centered at the…

Functional Analysis · Mathematics 2020-10-02 Javier Duoandikoetxea , Marcel Rosenthal

We characterize the weak-type boundedness of the Hilbert transform $H$ on weighted Lorentz spaces $\Lambda^p_u(w)$, with $p>0$, in terms of some geometric conditions on the weights $u$ and $w$ and the weak-type boundedness of the…

Classical Analysis and ODEs · Mathematics 2024-02-08 Elona Agora , María J. Carro , Javier Soria

Part of the intrinsic structure of singular integrals in the Bessel setting is captured by Muckenhoupt-type weights. Anderson--Kerman showed that the Bessel Riesz transform is bounded on weighted $L^p_w$ if and only if $w$ is in the class…

Classical Analysis and ODEs · Mathematics 2024-05-03 Ji Li , Chong-Wei Liang , Chun-Yen Shen , Brett D. Wick

A description of all the admissible weights similar to the Muckenhoupt class $A_p$ is an open problem for the weighted Morrey spaces. In this paper necessary condition and sufficient condition for two-weight norm inequalities on Morrey…

Classical Analysis and ODEs · Mathematics 2014-04-11 Hitoshi Tanaka

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 present a brief survey of recent results on boundedness of some classical operators within the frameworks of weighted spaces $L^{p(\cdot)}(\varrho)$ with variable exponent $p(x)$, mainly in the Euclidean setting and dwell on a new result…

Functional Analysis · Mathematics 2008-05-15 V. Kokilashvili , S. Samko

In this paper, we first give some new characterizations of Muckenhoupt type weights through establishing the boundedness of maximal operators on the weighted Lorentz and Morrey spaces. Secondly, we establish the boundedness of sublinear…

Functional Analysis · Mathematics 2018-11-26 Nguyen Minh Chuong , Dao Van Duong , Kieu Huu Dung

The main objective of this work is to bring together two well known and, a priori, unrelated theories dealing with weighted inequalities for the Hardy-Littlewood maximal operator $M$, and thus, we consider the boundedness of $M$ in the…

Classical Analysis and ODEs · Mathematics 2007-05-23 Maria J. Carro , Jose A. Raposo , Javier Soria

Let $\mathcal H_{\infty}^\delta$ denote the Hausdorff content of dimension $\delta\in(0,n]$ defined on subsets of $\mathbb R^n$. The principal problem, considered in this paper, is to characterize the non-negative function $w$ for which the…

Classical Analysis and ODEs · Mathematics 2025-12-22 Long Huang , Yangzhi Zhang , Ciqiang Zhuo

In \cite{MR447956}, Muckenhoupt and Wheeden formulated a weighted weak $(p,p)$ inequality where the weight for the weak $L^p$ space is treated as a multiplier rather than a measure. They proved such inequalities for the Hardy-Littlewood…

Classical Analysis and ODEs · Mathematics 2024-10-08 Brandon Sweeting

We study the boundedness of the Hilbert transform $H$ and the Hilbert maximal operator $H^*$ on weighted Lorentz spaces $\Lambda^p_u(w)$. We start by giving several necessary conditions that, in particular, lead us to the complete…

Classical Analysis and ODEs · Mathematics 2024-02-09 Elona Agora , María J. Carro , Javier Soria

We show how the $A_\infty$ class of weights can be considered as a metric space. As far as we know this is the first time that a metric d is considered on this set. We use this metric to generalize the results obtained in [9]. Namely, we…

Classical Analysis and ODEs · Mathematics 2019-12-16 Nikolaos Pattakos , Alexander Volberg

In this article, with introducing concepts of variable scalar $\mathcal{A}_{p(\cdot),\infty}$ weights and variable matrix $\mathscr{A}_{p(\cdot),\infty}$ weights, we seek a comprehensive theory of $A_\infty$ weights within the framework of…

Functional Analysis · Mathematics 2026-05-14 Dachun Yang , Wen Yuan , Zongze Zeng

In this paper, we study the $L^{p}$ boundedness and $L^{p}(w)$ boundedness ($1<p<\infty$ and $w$ a Muckenhoupt $A_{p}$ weight) of fractional maximal singular integral operators $T_{\Omega,\alpha}^{\#}$ with homogeneous convolution kernel…

Analysis of PDEs · Mathematics 2022-07-19 Yanping Chen , Zhijie Fan , Ji Li

In this paper we study the boundedness on $L^p(w)$ of the maximal operator $M_{A^{-1}}$, defined by $M_{A^{-1}}f(x)=Mf(A^{-1}x)$, that is, the maximal of Hardy-Littlewood composed with a invertible matrix $A$. We present two different…

Classical Analysis and ODEs · Mathematics 2026-03-03 Gonzalo Ibañez-Firnkorn

We prove that operators satisfying the hypotheses of the extrapolation theorem for Muckenhoupt weights are bounded on weighted Morrey spaces. As a consequence, we obtain at once a number of results that have been proved individually for…

Functional Analysis · Mathematics 2017-10-23 Javier Duoandikoetxea , Marcel Rosenthal

We characterize the weights for the Stieltjes transform and the Calder\'on operator to be bounded on the weighted variable Lebesgue spaces $L_w^{p(\cdot)}(0,\infty)$, assuming that the exponent function $p(\cdot)$ is log-H\"older continuous…

Classical Analysis and ODEs · Mathematics 2019-01-23 David Cruz-Uribe , Estefania Dalmasso , Francisco Martin-Reyes , Pedro Ortega Salvador

This paper aims to study $A_p$ weights in the context of a class of metric measure spaces with exponential volume growth, namely infinite trees with root at infinity equipped with the geodesic distance and flow measures. Our main result is…

Functional Analysis · Mathematics 2023-12-19 Alessandro Ottazzi , Federico Santagati , Maria Vallarino
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