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A full characterization of the boundedness of Laplace--Carleson embeddings on $L^\infty$ is provided, in terms of the Carleson intensity of the respective measure and of a suitable weighted Berezin transform of the measure. Moreover,…

Functional Analysis · Mathematics 2026-04-14 Birgit Jacob , Jonathan R. Partington , Sandra Pott , Eskil Rydhe , Felix L. Schwenninger

We obtain Musielak Orlicz bumps conditions on a pair of weights for the boundedness of Calder\'on Zygmund operators and their commutators between variable Lebesgue spaces with different weights. The symbols of the commutators belong to a…

Analysis of PDEs · Mathematics 2019-10-25 Luciana Melchiori , Gladis Pradolini , Wilfredo Ramos

The object of this paper is to prove a version of the Beurling-Helson-Lowdenslager invariant subspace theorem for operators on certain Banach spaces of functions on a multiply connected domain in the complex plane. The norms for these…

Functional Analysis · Mathematics 2016-07-06 Yanni Chen , Don Hadwin , Zhe Liu , Eric Nordgren

This paper introduces and studies a class of multilinear fractional bounded mean oscillation operators (denoted {\rm $m$-FBMOOs}) defined on ball-basis measure spaces $(X, \mu, \mathcal{B})$. These operators serve as a generalization of…

Classical Analysis and ODEs · Mathematics 2025-07-01 Xi Cen , Zichen Song

In this paper we obtain new characterizations of the q-uniformly convex and smooth Banach spaces by using Carleson measures. These measures are defined by Poisson integral associated with Bessel operators and Banach valued BMO-functions. By…

Classical Analysis and ODEs · Mathematics 2023-10-25 Jorge J. Betancor , Alejandro J. Castro , Lourdes Rodríguez-Mesa

In this paper we study weighted estimates for the multi-frequency $\omega-$Calder\'{o}n-Zygmund operators $T$ associated with the frequency set $\Theta=\{\xi_1,\xi_2,\dots,\xi_N\}$ and modulus of continuity $\omega$ satisfying the usual…

Classical Analysis and ODEs · Mathematics 2023-08-15 Saurabh Shrivastava , K. S. Senthil Raani

For a limited range of indices $p$, we obtain $L^p(\mathbb{R}^n)$ boundedness for singular integral operators whose kernels satisfy a condition weaker than the typical H\"ormander smoothness estimate. These operators are assumed to be…

Classical Analysis and ODEs · Mathematics 2019-10-23 Loukas Grafakos , Cody B. Stockdale

Consider the discrete maximal function acting on $\ell^2(\mathbb Z)$ functions \[ \mathcal{C}_{\Lambda} f( n ) := \sup_{ \lambda \in \Lambda} \left| \sum_{m \neq 0} f(n-m) \frac{e^{2 \pi i\lambda m^2}} {m} \right| \] where $\Lambda \subset…

Classical Analysis and ODEs · Mathematics 2016-05-03 Ben Krause , Michael Lacey

We represent a general bilinear Calder\'on-Zygmund operator as a sum of simple dyadic operators. The appearing dyadic operators also admit a simple proof of a sparse bound. In particular, the representation implies a so called sparse T1…

Classical Analysis and ODEs · Mathematics 2019-01-23 Kangwei Li , Henri Martikainen , Yumeng Ou , Emil Vuorinen

We prove that if the Hardy-Littlewood maximal operator is bounded on a separable Banach function space $X(\mathbb{R}^n)$ and on its associate space $X'(\mathbb{R}^n)$ and a maximally modulated Calder\'on-Zygmund singular integral operator…

Functional Analysis · Mathematics 2014-08-20 Alexei Yu. Karlovich

We present a fundamentally new proof of the dimensionless Lp boundedness of the Bakry Riesz vector on manifolds with bounded geometry. Our proof has the significant advantage that it allows for a much stronger conclusion than previous…

Probability · Mathematics 2023-03-30 Komla Domelevo , Stefanie Petermichl , Kristina Ana Škreb

This article deals with maximal operators on ${\mathbb R}^n$ formed by taking arbitrary rotations of tensor products of a $d$-dimensional H\"ormander--Mihlin multiplier with the identity in $n-d$ coordinates, in the particular codimension 1…

Classical Analysis and ODEs · Mathematics 2024-02-23 Odysseas Bakas , Francesco Di Plinio , Ioannis Parissis , Luz Roncal

We characterize the Carleson measures for an exponential Bergman space on the unit ball of $\mathbb C^n$ in terms of the ball induced by the complex Hessian of the logarithm of the weight function. The boundedness (or compactness) of…

Complex Variables · Mathematics 2022-07-29 Hong Rae Cho , Han-Wool Lee , Soohyun Park

In this article, we address pointwise sparse domination for multilinear Calder\'on-Zygmund operators on upper doubling, geometrically doubling metric measure spaces. As a consequence, we have obtained sharp quantitative weighted estimates…

Classical Analysis and ODEs · Mathematics 2020-06-23 Abhishek Ghosh , Ankit Bhojak , Parasar Mohanty , Saurabh Shrivastava

We prove an extension of the Walsh-analog of the Carleson-Hunt theorem, where the $L^\infty$ norm defining the Carleson maximal operator has been replaced by an $L^q$ maximal-multiplier-norm. Additionally, we consider certain associated…

Classical Analysis and ODEs · Mathematics 2011-10-06 Richard Oberlin

In 1980 Carleson posed a question on the minimal regularity of an initial data function in a Sobolev space $H^s(\mathbb{R}^n)$ that implies pointwise convergence for the solution of the linear Schr\"odinger equation. After progress by many…

Classical Analysis and ODEs · Mathematics 2022-04-11 Chen An , Rena Chu , Lillian B. Pierce

Based on the tile discretization elaborated by the author in "The Polynomial Carleson Operator", we develop a Calderon-Zygmund type decomposition of the Carleson operator. As a consequence, through a unitary method that makes no use of…

Classical Analysis and ODEs · Mathematics 2012-08-14 Victor Lie

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

In this paper we prove boundedness of Calder\'on-Zygmund operators and the Christ-Goldberg maximal operator in the matrix-weighted variable Lebesgue spaces recently introduced by Cruz-Uribe and the second author. Our main tool to prove…

Functional Analysis · Mathematics 2025-09-16 Zoe Nieraeth , Michael Penrod

We prove $L^p$-boundedness of variational Carleson operators for functions valued in intermediate UMD spaces. This provides quantitative information on the rate of convergence of partial Fourier integrals of vector-valued functions. Our…

Classical Analysis and ODEs · Mathematics 2020-03-18 Alex Amenta , Gennady Uraltsev