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We do research on the real method of Hardy spaces associated with the Dunkl setting on the real line for the range of 0<p<=1.

经典分析与常微分方程 · 数学 2022-06-30 Zhuo Ran Hu

A Paley type inequality for the Fourier transform on $H^p(H^n);$ the Hardy space on the Heisenberg group, is obtained for $0 < p \leq 1.$

泛函分析 · 数学 2013-12-24 Rahmouni Atef

In this paper, we obtained the Dunkl analogy of classical Lp Hardy inequality for $p > N + 2\gamma$ with sharp constant $\left(\frac{p-N-2\gamma}{p}\right)^{p}$, where $2\gamma$ is the degree of weight function associated with Dunkl…

偏微分方程分析 · 数学 2020-01-16 Li Tang , Haiting Chen , Shoufeng Shen , Yongyang Jin

We investigate $\lambda$-Hilbert transform, $\lambda$-Possion integral and conjugate $\lambda$-Poisson integral on the atomic Hardy space in the Dunkl setting and establish a new version of Paley type inequality which extends the results in…

经典分析与常微分方程 · 数学 2021-06-08 ZhuoRan Hu

In this paper some extensions of Hardy's integral inequalities to $0<p\leq 1$ are established.

经典分析与常微分方程 · 数学 2011-03-08 Shunchao Long

For $p>p_0=\frac{2\lambda}{2\lambda+1}$ with $\lambda>0$, the Hardy space $H_{\lambda}^p(\mathbb{R}_+^2)$ associated with the Dunkl transform $\mathcal{F}_\lambda$ and the Dunkl operator $D$ on the real line $\mathbb{R}$, where…

偏微分方程分析 · 数学 2022-06-30 ZhuoRan Hu

The Hardy-Littlewood inequalities for $m$-linear forms on $\ell_{p}$ spaces are stated for $p>m$. In this paper, among other results, we investigate similar results for $1\leq p\leq m.$ Let $\mathbb{K}$ be $% \mathbb{R}$ or $\mathbb{C}$ and…

泛函分析 · 数学 2015-10-01 Gustavo Araujo , Daniel Pellegrino

In this paper, we investigate the two-weight Hardy inequalities on metric measure space possessing polar decompositions for the case $p=1$ and $1 \leq q <\infty.$ This result complements the Hardy inequalities obtained in \cite{RV} in the…

经典分析与常微分方程 · 数学 2022-12-15 Michael Ruzhansky , Anjali Shriwastawa , Bankteshwar Tiwari

Morrey's classical inequality implies the H\"older continuity of a function whose gradient is sufficiently integrable. Another consequence is the Hardy-type inequality $$ \lambda\biggl\|\frac{u}{d_\Omega^{1-n/p}}\biggr\|_{\infty}^p\le…

偏微分方程分析 · 数学 2025-04-17 Ryan Hynd , Simon Larson , Erik Lindgren

For $p>p_0=\frac{2\lambda}{2\lambda+1}$ with $\lambda>0$, the Hardy space $H_{\lambda}^p(\mathbb R_+^2)$ associated with the Dunkl transform $\mathcal{F}_\lambda$ and the Dunkl operator $D$ on the real line $\mathbb R$, where…

经典分析与常微分方程 · 数学 2022-06-30 ZhuoRan Hu

Hardy's inequality on $H^p$ spaces, $p\in(0,1]$, in the context of orthogonal expansions is investigated for general basis on a subset of $\mathbb{R}^d$ with Lebesgue measure. The obtained result is applied to various Hermite, Laguerre, and…

经典分析与常微分方程 · 数学 2020-05-15 Paweł Plewa

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.

经典分析与常微分方程 · 数学 2019-10-09 Florian Fischer , Matthias Keller , Felix Pogorzelski

Suppose $\mu$ is an $\alpha$-dimensional fractal measure for some $0<\alpha<n$. Inspired by the results proved by R. Strichartz in 1990, we discuss the $L^p$-asymptotics of the Fourier transform of $fd\mu$ by estimating bounds of…

经典分析与常微分方程 · 数学 2017-05-24 K. S. Senthil Raani

A Hardy inequality of the form \[\int_{\tilde{\Omega}} |\nabla f({\bf{x}})|^p d {\bf{x}} \ge (\frac{p-1}{p})^p \int_{\tilde{\Omega}} \{1 + a(\delta, \partial \tilde{\Omega})(\x)\}\frac{|f({\bf{x}})|^p}{\delta({\bf{x}})^p} d{\bf{x}}, \] for…

谱理论 · 数学 2011-05-27 A. A. Balinsky , W. D. Evans , R. T. Lewis

We prove a generalization of a Hardy type inequality for negative exponents valid for non-negative functions defined on $(0,1]$. As an application we find the exact best possible range of $p$ such that $1<p\le q$ such that any…

泛函分析 · 数学 2014-05-06 Eleftherios N. Nikolidakis

We establish fractional Hardy inequality on bounded domains in $\mathbb{R}^{d}$ with inverse of distance function from smooth boundary of codimension $k$, where $k=2, \dots,d$, as weight function. The case $sp=k$ is the critical case, where…

偏微分方程分析 · 数学 2026-02-13 Adimurthi , Prosenjit Roy , Vivek Sahu

We present a unified approach to improved $L^p$ Hardy inequalities in $\R^N$. We consider Hardy potentials that involve either the distance from a point, or the distance from the boundary, or even the intermediate case where distance is…

偏微分方程分析 · 数学 2016-09-07 G. Barbatis , S. Filippas , A. Tertikas

The authors study Hardy spaces, of arbitrary order, on a space of homogeneous type. This extends earlier work that treated only $H^p$ for $p$ near 1. Applications are given to the boundedness of certain singular integral operators,…

泛函分析 · 数学 2016-09-06 Steven G. Krantz , Song-Ying Li

Let $({\mathcal X},d,\mu)$ be a metric measure space satisfying both the geometrically doubling and the upper doubling conditions. Let $\rho\in (1,\infty)$, $0<p\le1\le q\le\infty$, $p\neq q$, $\gamma\in[1,\infty)$ and…

经典分析与常微分方程 · 数学 2014-12-03 Xing Fu , Haibo Lin , Dachun Yang , Dongyong Yang

We consider the series expansion of the $L^p$-Hardy inequality of \cite{BFT2}, in the particular case where the distance is taken from an interior point of a bounded domain in $\mathbb{R}^n$ and $1<p\neq n$. For $p<n$ we improve it by…

偏微分方程分析 · 数学 2018-05-29 Konstantinos T. Gkikas , Georgios Psaradakis
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