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We characterize the Schatten class $S^p$ of the commutator of Riesz transforms $[b,R_j]$ in $\mathbb R^n$ ($j=1,\ldots, n$) in the two weight setting for $n< p<\infty$, by introducing the condition that the symbol $b$ being in Besov spaces…

经典分析与常微分方程 · 数学 2024-12-16 Michael Lacey , Ji Li , Brett D. Wick , Liangchuan Wu

We characterise the Schatten class $S^p$ properties of commutators $[b,T]$ of singular integrals and pointwise multipliers in a general framework of (quasi-)metric measure spaces. This covers, unifies, and extends a range of previous…

泛函分析 · 数学 2026-05-08 Tuomas Hytönen

We study commutators with the Riesz transforms on the Heisenberg group. The Schatten norm of these commutators is characterized in terms of Besov norms of the symbol. This generalizes the classical Euclidean results of Peller, Janson--Wolff…

泛函分析 · 数学 2021-09-22 Zhijie Fan , Michael Lacey , Ji Li

We define Schatten classes of adjointable operators on Hilbert modules over abelian $C^*$-algebras. Many key features carry over from the Hilbert space case. In particular, the Schatten classes form two-sided ideals of compact operators and…

算子代数 · 数学 2020-10-16 Abel B. Stern , Walter D. van Suijlekom

Let $ \Pi _{b}$ be a bounded $n$ parameter paraproduct with symbol $b$. We demonstrate that this operator is in the Schatten class $S^p$, $0<p<\infty$, if the symbol is in the $n$ parameter Besov space $B_p$. Our result covers both the…

泛函分析 · 数学 2024-11-27 Michael T. Lacey , Ji Li , Brett D. Wick

This article provides a deeper study of the Riesz transform commutators associated with the Neumann Laplacian operator $\Delta_N$ on $\mathbb R^n$. Along the line of singular value estimates for Riesz transform commutators established by…

泛函分析 · 数学 2022-10-11 Zhijie Fan , Michael Lacey , Ji Li , Manasa N. Vempati , Brett D. Wick

Let $P_\gamma$ be the orthogonal projection from the space $L ^2 (\mathbb{B}_n, dv_\gamma)$ to the standard weighted Bergman space $L_a ^2 (\mathbb{B}_n, dv_\gamma)$. In this paper, we characterize the Schatten $p$ class membership of the…

泛函分析 · 数学 2012-02-29 Joshua Isralowitz

We study the Schatten class membership of semicommutative martingale paraproducts and use the transference method to describe Schatten class membership of purely noncommutative martingale paraproducts, especially for CAR algebras and…

泛函分析 · 数学 2024-11-20 Zhenguo Wei , Hao Zhang

We consider modulation space and spaces of Schatten-von Neumann symbols where corresponding pseudo-differential operators map one Hilbert space to another. We prove H\"older-Young and Young type results for such spaces under dilated…

偏微分方程分析 · 数学 2009-02-17 Joachim Toft

In this paper, we establish the Schatten class and endpoint weak Schatten class estimates for the commutator of Riesz transforms on weighted $L^2$ spaces. It provides a weighted version for the estimate of the quantised derivative…

泛函分析 · 数学 2022-11-29 Zhenbing Gong , Ji Li , Brett D. Wick

We provide full characterisation of the Schatten properties of $[M_b,T]$, the commutator of Calder\'{o}n--Zygmund singular integral $T$ with symbol $b$ $(M_bf(x):=b(x)f(x))$ on stratified Lie groups $\mathbb{G}$. We show that, when $p$ is…

经典分析与常微分方程 · 数学 2024-03-19 Ji Li , Xiao Xiong , Fulin Yang

We study trace ideal properties of the commutators $[(-\Delta)^{\frac{\epsilon}{2}},M_f]$ of a power of the Laplacian with the multiplication operator by a function $f$ on $\mathbb R^d$. For a certain range of $\epsilon\in\mathbb R$, we…

泛函分析 · 数学 2024-05-20 Rupert L. Frank , Fedor Sukochev , Dmitriy Zanin

This article is devoted to the study of the Schatten class membership of commutators involving singular integral operators. We utilize martingale paraproducts and Hyt\"{o}nen's dyadic martingale technique to obtain sufficient conditions on…

泛函分析 · 数学 2024-11-14 Zhenguo Wei , Hao Zhang

Let $\Delta_\lambda$ be the Bessel operator on the upper half space $\mathbb{R}_+^{n+1}$ with $n\geq 0$ and $\lambda>0$, and $R_{\lambda,j}$ be the $j-$th Bessel Riesz transform, $j=1,\ldots,n+1$. We demonstrate that the Schatten--Lorentz…

泛函分析 · 数学 2024-03-19 Zhijie Fan , Michael Lacey , Ji Li , Xiao Xiong

The paper computes the spaces of extensions for the Schatten classes when they are regarded in its natural module structure over the algebra of bounded operators on the ground Hilbert space.

泛函分析 · 数学 2019-10-22 Félix Cabello Sánchez

Let $H=H_+\oplus H_-$ be a fixed orthogonal decomposition of the complex Hilbert space $H$ in two infinite dimensional subspaces. We study the geometry of the set $P^p$ of selfadjoint projections in the Banach algebra $$ {\cal A}^p=\{A\in…

泛函分析 · 数学 2020-10-30 Esteban Andruchow , María Eugenia Di Iorio y Lucero

We introduce and study a class of operator tuples in complex Hilbert spaces, which we call spherical tuples. In particular, we characterize spherical multi-shifts, and more generally, multiplication tuples on RKHS. We further use these…

泛函分析 · 数学 2015-10-12 S. Chavan , D. Yakubovich

Let $\mathcal{D}_v$ denote the Dirichlet type space in the unit disc induced by a radial weight $v$ for which $\widehat{v}(r)=\int_r^1 v(s)\,ds$ satisfies the doubling property $\int_r^1 v(s)\,ds\le C \int_{\frac{1+r}{2}}^1 v(s)\,ds.$ In…

复变函数 · 数学 2015-10-21 José Ángel Peláez , Daniel Seco

We extend the matrix representation of magnetic pseudo-differential operators in a tight Gabor frame from [arXiv:1804.05220, arXiv:2212.12229] to asymmetrical quantizations and smooth symbols dominated by a tempered weight (and not just…

数学物理 · 物理学 2026-02-18 Mikkel Hviid Thorn

Extending classical results of Janson and Peetre (1988) on the Schatten class $S^p$ membership of commutators of Riesz potentials on the Euclidean space, we obtain analogous results for commutators $[b,T]$, where…

泛函分析 · 数学 2025-12-15 Tuomas Hytönen , Lin Wu
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