English
Related papers

Related papers: On Schatten-von Neumann class properties of pseudo…

200 papers

We prove an extended version of Cordes' lemma concerning trace-class properties of some special pseudo-differential operators. This version of Cordes' lemma is used to improve the results in \cite{Arsu} concerning the Schatten-class…

Functional Analysis · Mathematics 2007-05-23 Gruia Arsu

Let $G$ be a compact Lie group of dimension $n.$ In this work we characterise the membership of classical pseudo-differential operators on $G$ in the trace class ideal $S_{1}(L^2(G)),$ as well as in the setting of the Schatten ideals…

Functional Analysis · Mathematics 2023-01-11 Duván Cardona , Marianna Chatzakou , Michael Ruzhansky , Joachim Toft

We investigate the Schatten-von Neumann properties of pseudo-differential operators using the method proposed by A. Boulkhemair in \cite{Boulkhemair 2}. The symbols are elements of the ideals $S_{w}^{p}$ of the Sj\"ostrand algebra $S_{w}$.

Analysis of PDEs · Mathematics 2009-10-29 Gruia Arsu

We obtain a number of explicit estimates for quasi-norms of pseudo-differential operators in the Schatten-von Neumann classes $S_q$ with $0<q\le 1$. The estimates are applied to derive semi-classical bounds for operators with smooth or…

Spectral Theory · Mathematics 2022-01-27 Alexander V. Sobolev

We establish continuity and Schatten-von Neumann properties for matrix operators with matrices satisfying mixed quasi-norm estimates. These considerations also include the case when the Lebesgue and Schatten parameters are allowed to stay…

Functional Analysis · Mathematics 2016-05-02 Joachim Toft

Given a compact (Hausdorff) group $G$ and a closed subgroup $H$ of $G,$ in this paper we present symbolic criteria for pseudo-differential operators on compact homogeneous space $G/H$ characterizing the Schatten-von Neumann classes…

Functional Analysis · Mathematics 2019-11-26 Vishvesh Kumar , Shyam Swarup Mondal

We prove criteria for a {\it 'magnetic' Weyl operator} to be in a Schatten-von Neuman class by extending a method developed by H. Cordes, T. Kato and G. Arsu.

Mathematical Physics · Physics 2018-03-07 Nassim Athmouni , Radu Purice

In this paper we present symbolic criteria for invariant operators on compact topological groups $G$ characterising the Schatten-von Neumann classes $S_{r}(L^{2}(G))$ for all $0<r\leq\infty$. Since it is known that for pseudo-differential…

Functional Analysis · Mathematics 2016-02-10 Julio Delgado , Michael Ruzhansky

In this paper. we study properties such as $L^r$-boundedness, compactness, belonging to Schatten classes and nuclearity, Riesz spectral theory, Fredholmness, ellipticity and Gohberg's lemma, among others, for pseudo-differential operators…

Spectral Theory · Mathematics 2019-12-25 Juan Pablo Velasquez-Rodriguez

We study structural properties of Wiener-Lebesgue spaces with respect to a slowly varying metrics and certain Lebesgue parameters. For $p\in (0,1]$, we deduce Schatten-$p$ properties for pseudo-differential operators whose symbols, together…

Functional Analysis · Mathematics 2024-05-09 Matteo Bonino , Sandro Coriasco , Albin Petersson , Joachim Toft

Given a compact manifold $M$ with boundary $\partial M$, in this paper we introduce a global symbolic calculus of pseudo-differential operators associated to $(M,\partial M)$. The symbols of operators with boundary conditions on $\partial…

Analysis of PDEs · Mathematics 2015-12-23 Julio Delgado , Michael Ruzhansky , Niyaz Tokmagambetov

In this work we establish sharp kernel conditions ensuring that the corresponding integral operators belong to Schatten-von Neumann classes. The conditions are given in terms of the spectral properties of operators acting on the kernel. As…

Functional Analysis · Mathematics 2021-05-31 Julio Delgado , Michael Ruzhansky

We give necessary and sufficient conditions for a composition operator with Dirichlet series symbol to belong to the Schatten classes $S_p$ of the Hardy space $\mathcal{H}^2$ of Dirichlet series. For $p\geq 2$, these conditions lead to a…

Functional Analysis · Mathematics 2024-05-08 Frédéric Bayart , Athanasios Kouroupis

In this work we study Schatten-von Neumann classes of tensor products of invariant operators on Hilbert spaces. In the first part we first deduce some spectral properties for tensors of anharmonic oscillators thanks to the knowledge on…

Functional Analysis · Mathematics 2025-07-22 Julio Delgado , Liliana Posada , Michael Ruzhansky

As main result, we show that a pseudodifferential operator in the Weyl calculus, whose symbol has compact Fourier support, lies in the Schatten class $\mathcal S^p$ if and only if its symbol lies in the Lebesgue space $L^p$ on phase space.…

Classical Analysis and ODEs · Mathematics 2024-12-19 Detlef Müller

In this paper we give several global characterisations of the Hormander class of pseudo-differential operators on compact Lie groups. The result is applied to give criteria for the ellipticity and the global hypoellipticity of…

Functional Analysis · Mathematics 2014-08-27 Michael Ruzhansky , Ville Turunen , Jens Wirth

Let $\Op_t(a)$, for $t\in \mathbf R$, be the pseudo-differential operator $$ f(x) \mapsto (2\pi)^{-n}\iint a((1-t)x+ty,\xi)f(y)e^{i\scal {x-y}\xi} dyd\xi $$ and let $\mathscr I_p$ be the set of Schatten-von Neumann operators of order $p\in…

Analysis of PDEs · Mathematics 2008-09-09 Ernesto Buzano , Joachim Toft

The purpose of this paper is to introduce new definitions of H\"ormander classes for pseudo-differential operators over the compact group of $p$-adic integers. Our definitions possess a symbolic calculus, asymptotic expansions and…

Functional Analysis · Mathematics 2019-12-25 Juan Pablo Velasquez-Rodriguez

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…

Mathematical Physics · Physics 2026-02-18 Mikkel Hviid Thorn

In this paper we develop the calculus of pseudo-differential operators on the lattice $\mathbb{Z}^n$, which we can call pseudo-difference operators. An interesting feature of this calculus is that the phase space is compact so the symbol…

Functional Analysis · Mathematics 2019-12-24 Linda N. A. Botchway , P. Gaël Kibiti , Michael Ruzhansky
‹ Prev 1 2 3 10 Next ›