English
Related papers

Related papers: A thin-thick Decomposition for Hardy Martingales

200 papers

We give new proofs of Hardy space estimates for fractional and singular integral operators on weighted and variable exponent Hardy spaces. Our proofs consist of several interlocking ideas: finite atomic decompositions in terms of $L^\infty$…

Classical Analysis and ODEs · Mathematics 2019-02-12 David Cruz-Uribe , Kabe Moen , Hanh Nguyen

In this chapter are given necessary and sufficient conditions for the regularity of solutions of the functional equation appearing in the theory of classical orthogonal polynomials. In addition, we also present the functional Rodrigues…

Classical Analysis and ODEs · Mathematics 2022-09-13 K. Castillo , D. Mbouna , J. Petronilho

We give a simple proof of a recently result concerning Hardy $q$-inequalities.

Classical Analysis and ODEs · Mathematics 2014-12-18 Peng Gao

We give a version of the Montel theorem for Hardy spaces of holomorphic functions on an infinite dimensional space. As a by-product, we provide a Montel-type theorem for the Hardy space of Dirichlet series. This approach also gives an…

Functional Analysis · Mathematics 2020-04-23 Tomás Fernández Vidal , Daniel Galicer , Pablo Sevilla-Peris

We prove a weak-type (1,1) inequality for square functions of non-commutative martingales that are simultaneously bounded in $L^2$ and $L^1$. More precisely, the following non-commutative analogue of a classical result of Burkholder holds:…

Functional Analysis · Mathematics 2007-05-23 Narcisse Randrianantoanina

We establishe an affine Hardy-Littlewood-Sobolev inequality concerning two different functions which is stronger than the classical Hardy-Littlewood-Sobolev inequality. Furthermore, we also prove reverse inequalities for the new…

Functional Analysis · Mathematics 2025-08-05 Youjiang Lin , Jinghong Zhou , Jiaming Lan

In this note we give several characterisations of weights for two-weight Hardy inequalities to hold on general metric measure spaces possessing polar decompositions. Since there may be no differentiable structure on such spaces, the…

Functional Analysis · Mathematics 2019-12-24 Michael Ruzhansky , Daulti Verma

In this article, we prove a decomposition theorem on differential polynomials of theta functions of high level.

Number Theory · Mathematics 2007-05-23 Jae-Hyun Yang

The purpose of this article is to give another molecular decomposition for members of the weighted Hardy spaces.

Classical Analysis and ODEs · Mathematics 2023-05-30 Pablo Rocha

We improve the classical discrete Hardy inequality for $ 1<p<\infty $ for functions on the natural numbers. For integer values of $ p $ the Hardy weight is an absolutely monotonic function.

Classical Analysis and ODEs · Mathematics 2019-10-09 Florian Fischer , Matthias Keller , Felix Pogorzelski

A method of proving Hardy's type inequality for orthogonal expansions is presented in a rather general setting. Then sharp multi-dimensional Hardy's inequality associated with the Laguerre functions of convolution type is proved for type…

Classical Analysis and ODEs · Mathematics 2018-10-19 Paweł Plewa

We investigate the Hardy and Rellich inequalities for classes of antisymmetric and odd functions and general exponent $p$. The obtained constants are better than the classical ones.

Classical Analysis and ODEs · Mathematics 2024-04-30 Michał Kijaczko

[1] investigates advanced connotations of Hardy and Rellich-type inequalities on complete noncompact Riemannian manifolds, delving on deriving inequalities that incorporate poignant weight functions. These inequalities prolongate classical…

Differential Geometry · Mathematics 2024-11-13 Shouvik Datta Choudhury

In this note we mainly study the fine Jordan-Chevalley decomposition: a refinement of the classical Jordan-Chevalley decomposition of a matrix and we pay a particular attention to the field of the coefficients of the matrix. Moreover we…

Rings and Algebras · Mathematics 2017-07-07 Alberto Dolcetti , Donato Pertici

We obtain sharp Hardy inequalities on antisymmetric functions where antisymmetry is understood for multi-dimensional particles. Partially it is an extension of the previously published paper \cite{HL}, where Hardy's inequalities were…

Analysis of PDEs · Mathematics 2023-06-16 Thomas Hoffmann-Ostenhof , Ari Laptev , Il'ya Shcherbakov

We give an elementary proof of the classical Hardy inequality on any Carnot group, using only integration by parts and a fine analysis of the commutator structure, which was not deemed possible until now. We also discuss the conditions…

Classical Analysis and ODEs · Mathematics 2019-12-18 François Vigneron

We establish a new improvement of the classical $L^p$-Hardy inequality on the multidimensional Euclidean space in the supercritical case. Recently, in [14], there has been a new kind of development of the one dimensional Hardy inequality.…

Functional Analysis · Mathematics 2024-01-12 Prasun Roychowdhury , Michael Ruzhansky , Durvudkhan Suragan

We generalize a theorem by Titchmarsh about the mean value of Hardy's $Z$-function at the Gram points to the Hecke $L$-functions, which in turn implies the weak Gram law for them. Instead of proceeding analogously to Titchmarsh with an…

Number Theory · Mathematics 2022-01-25 Sebastian Weishäupl

In this paper, by using the atomic decomposition theory of weighted Hardy spaces, we will give some weighted weak type estimates for intrinsic square functions including the Lusin area function, Littlewood-Paley $g$-function and…

Classical Analysis and ODEs · Mathematics 2010-10-11 Hua Wang

In this survey article some classical results concerning real interpolation between Hardy spaces are briefly presented and then it is explained how those results can be used to establish Yano-type extrapolation theorems for Hardy spaces.…

Classical Analysis and ODEs · Mathematics 2020-01-28 Odysseas Bakas