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Related papers: On pseudo-differential operators on group SU(2)

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Global quantization of pseudo-differential operators on compact Lie groups is introduced relying on the representation theory of the group rather than on expressions in local coordinates. Operators on the 3-dimensional sphere and on group…

Functional Analysis · Mathematics 2014-01-14 Michael Ruzhansky , Ville Turunen

In this paper, following [1], we develop the theory of global pseudo-differential operators defined on the quantum group $SU_q(2)$, and provide some spectral results concerning these operators. We define a graduation for this algebra of…

Quantum Algebra · Mathematics 2018-04-03 Carlos Andres Rodriguez Torijano

In this paper, we define in an intrinsic way operators on a compact Lie group by means of symbols using the representations of the group. The main purpose is to show that these operators form a symbolic pseudo-differential calculus which…

Representation Theory · Mathematics 2015-03-17 Veronique Fischer

We prove a symbolic calculus for a class of pseudodifferential operators, and discuss its applications to $L^2$-compactness via a compact version of the $T(1)$ theorem.

Classical Analysis and ODEs · Mathematics 2025-07-18 Árpád Bényi , Tadahiro Oh , Rodolfo H. Torres

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

In this note we study the analytical index of pseudo-differential operators by using the notion of (infinite dimensional) operator-valued symbols (in the sense of Ruzhansky and Turunen). Our main tools will be the McKean-Singer index…

Differential Geometry · Mathematics 2018-08-28 Duván Cardona

In this paper a bisingular pseudodifferential calculus, along the lines of the one introduced by L. Rodino in [12], is developed in the global setting of a product of compact Lie groups. The approach follows that introduced by M. Ruzhansky…

Analysis of PDEs · Mathematics 2022-11-21 Serena Federico , Alberto Parmeggiani

In this paper we develop the functional calculus for elliptic operators on compact Lie groups without the assumption that the operator is a classical pseudo-differential operator. Consequently, we provide a symbolic descriptions of complex…

Functional Analysis · Mathematics 2014-05-15 Michael Ruzhansky , Jens Wirth

A symbolic calculus for a pseudo-differential operators acting on sections of a homogeneous vector bundle over a compact homogeneous space $G/H$ with compact $G$ and $H$ is developed. We realize the symbol of a pseudo-differential operator…

Analysis of PDEs · Mathematics 2019-12-17 Mitsuru Wilson

The aim of this work is to develop a global calculus for pseudo-differential operators acting on suitable algebras of generalized functions. In particular, a condition of global hypoellipticity of the symbols gives a result of regularity…

Analysis of PDEs · Mathematics 2007-05-23 Claudia Garetto

In a recent paper by M. Mantoiu and M. Ruzhansky, a global pseudo-differential calculus has been developed for unimodular groups of type I. In the present article we generalize the main results to arbitrary locally compact groups of type I.…

Functional Analysis · Mathematics 2020-08-19 M. Mantoiu , M. Sandoval

In this paper, we present first results of our investigation regarding symbolic pseudo-differential calculi on nilpotent Lie groups. On any graded Lie group, we define classes of symbols using difference operators. The operators are…

Functional Analysis · Mathematics 2015-10-16 Veronique Fischer , Michael Ruzhansky

We construct an algebra of pseudodifferential operators on each groupoid in a class that generalizes differentiable groupoids to allow manifolds with corners. We show that this construction encompasses many examples. The subalgebra of…

funct-an · Mathematics 2008-02-03 Victor Nistor , Alan Weinstein , Ping Xu

Let $G$ be a unimodular type I second countable locally compact group and $\hat G$ its unitary dual. We introduce and study a global pseudo-differential calculus for operator-valued symbols defined on $G\times\hat G$, and its relations to…

Functional Analysis · Mathematics 2015-06-22 Marius Mantoiu , Michael Ruzhansky

In this article, we develop a calculus of Shubin type pseudodifferential operators on certain non-compact spaces, using a groupoid approach similar to the one of van Erp and Yuncken. More concretely, we consider actions of graded Lie groups…

Analysis of PDEs · Mathematics 2025-01-13 Eske Ewert , Philipp Schmitt

We extend the Ruzhansky-Turunen theory of pseudo differential operators on compact Lie groups into a tool that can be used to investigate group-valued Markov processes in the spirit of the work in Euclidean spaces of N.Jacob and…

Probability · Mathematics 2011-01-27 David Applebaum

This paper provides a toolbox of para-differential calculus on compact Lie groups. The toolbox is based on representation theory of compact Lie groups and contains exact formulas of symbolic calculus. Para-differential operators are…

Analysis of PDEs · Mathematics 2023-10-11 Chengyang Shao

In this memoir we extend the theory of global pseudo-differential operators to the setting of arbitrary sub-Riemannian structures on a compact Lie group. More precisely, given a compact Lie group $G$, and the sub-Laplacian $\mathcal{L}$…

Analysis of PDEs · Mathematics 2023-04-04 Duván Cardona , Michael Ruzhansky

We consider a complex of pseudo-differential operators associated with an overdetermined system of operators defined on the torus. We characterize the global solvability of this complex when the system has constant coefficients.…

Analysis of PDEs · Mathematics 2024-07-04 Fernando de Ávila Silva , Cleber de Medeira

This study is an attempt at generalizing the class of partially hypoelliptic differential operators to a class of pseudodifferential operators, Symbol ideals are formed on the set of lineality and we discuss suitable topologies that allow…

Analysis of PDEs · Mathematics 2015-08-10 Tove Dahn
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