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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…

Functional Analysis · Mathematics 2025-12-15 Tuomas Hytönen , Lin Wu

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…

Classical Analysis and ODEs · Mathematics 2024-03-19 Ji Li , Xiao Xiong , Fulin Yang

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…

Classical Analysis and ODEs · Mathematics 2024-12-16 Michael Lacey , Ji Li , Brett D. Wick , Liangchuan Wu

We characterize the Hilbert--Schmidt class membership of commutator with the Hilbert transform in the two weight setting. The characterization depends upon the symbol of the commutator being in a new weighted Besov space. This follows from…

Functional Analysis · Mathematics 2022-02-25 Michael Lacey , Ji Li , Brett D. Wick

Schatten class properties of commutators $[b,T]$ of pointwise multipliers $b$ and singular integral operators $T$ have been characterised in a variety of settings. An abstract framework, covering many of these results as special cases, was…

Functional Analysis · Mathematics 2026-04-27 Tuomas Hytönen

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…

Operator Algebras · Mathematics 2020-10-16 Abel B. Stern , Walter D. van Suijlekom

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…

Functional Analysis · Mathematics 2012-02-29 Joshua Isralowitz

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…

Functional Analysis · Mathematics 2024-05-20 Rupert L. Frank , Fedor Sukochev , Dmitriy Zanin

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…

Functional Analysis · Mathematics 2024-11-20 Zhenguo Wei , Hao Zhang

In this manuscript, we investigate the properties of systems formed by translations of an operator in the Schatten $p$-classes $\mathcal{T}^p$. We establish the existence of Schauder frames of integer translates in $\mathcal{T}^p$ for…

Functional Analysis · Mathematics 2024-09-18 Bhawna Dharra , S. Sivananthan , D. Venku Naidu

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…

Functional Analysis · Mathematics 2020-10-30 Esteban Andruchow , María Eugenia Di Iorio y Lucero

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…

Functional Analysis · Mathematics 2022-11-29 Zhenbing Gong , Ji Li , Brett D. Wick

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…

Functional Analysis · Mathematics 2024-11-14 Zhenguo Wei , Hao Zhang

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…

Complex Variables · Mathematics 2015-10-21 José Ángel Peláez , Daniel Seco

This work investigates continuous embeddings for quantum Sobolev spaces $\mathfrak{H}_\gamma^{s,p}(G,H)$ into Schatten--von Neumann classes $S_r(H)$. We try to extend the results of Lakmon and Mensah to the case where the operators belong…

Functional Analysis · Mathematics 2025-10-21 Alexander Plakhotnikov

The paper contains three results, the common feature of which is that they deal with the Schatten $p$ class. The first is a presentation of a new complemented subspace of $C_p$ in the reflexive range (and $p\not= 2$). This construction…

Functional Analysis · Mathematics 2015-01-28 Gideon Schechtman

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…

Functional Analysis · Mathematics 2024-03-19 Zhijie Fan , Michael Lacey , Ji Li , Xiao Xiong

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…

Functional Analysis · Mathematics 2022-10-11 Zhijie Fan , Michael Lacey , Ji Li , Manasa N. Vempati , Brett D. Wick

In a doubling metric measure space $(X,\rho,\mu)$ supporting a Poincar\'e inequality, we give a new characterisation of first-order Sobolev spaces by mean oscillations, and extend previous characterisations of constant functions in terms of…

Functional Analysis · Mathematics 2026-02-09 Tuomas Hytönen , Riikka Korte

We show that many invariant subspaces M for d-shifts (S_1,...,S_d) of finite rank have the property that the projection P onto M almost commutes with the S_k in the sense that the commutators PS_k - S_kP belong to the Schatten-von Neumann…

Operator Algebras · Mathematics 2007-05-23 William Arveson
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