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Related papers: Ces\`aro-Hypercyclic and Weyl type theorem

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In this paper we are concerned with weighted conditional type(WCT) operators on Orlicz spaces. We prove that all WCT operators have finite ascent. Also, we provide some sufficient conditions for WCT operators to have finite descent. As a…

Functional Analysis · Mathematics 2023-05-17 S. Nojoumi , S. Shamsigamchi

We prove the existence of common hypercyclic, entire functions for certain families of translation operators.

Complex Variables · Mathematics 2014-12-01 Nikos Tsirivas

Let $X$ be a complex topological vector space with dim$(X)>1$ and $\mathcal{B}(X)$ the space of all continuous linear operators on $X$. In this paper, we extend the concept of supercyclicity of a single operators and strongly continuous…

Functional Analysis · Mathematics 2018-10-18 Mohamed Amouch , Otmane Benchiheb

This article concerns the asymptotics of pseudodifferential operators whose Weyl symbol is the convolution of a discontinuous function dilated by a large scaling parameter with a smooth function of constant scale. These operators include as…

Spectral Theory · Mathematics 2014-04-21 J. P. Oldfield

A peeling theorem for the Weyl tensor in higher dimensional Lorentzian manifolds is presented. We obtain it by generalizing a proof from the four dimensional case. We derive a generic behavior, discuss interesting subcases and retrieve the…

Mathematical Physics · Physics 2022-07-13 Selim Amar

In this paper the Weyl tensor is used to define operators that act on the space of forms. These operators are shown to have interesting properties and are used to classify the Weyl tensor, the well known Petrov classification emerging as a…

General Relativity and Quantum Cosmology · Physics 2013-04-30 Carlos Batista

A detailed investigation is made of the continuity, spectrum and mean ergodic properties of the Ces\`aro operator $C$ when acting on the strong duals of power series spaces of infinite type. There is a dramatic difference in the nature of…

Functional Analysis · Mathematics 2019-08-13 Angela A. Albanese , José Bonet , Werner J. Ricker

In this paper, we characterize hypercyclic generalized bilateral weighted shift operators on the standard Hilbert module over the C*-algebra of compact operators on the separable Hilbert space. Moreover, we give necessary and sufficient…

Operator Algebras · Mathematics 2024-01-17 Stefan Ivkovic

Field theoretic and geometric ideas are used to construct a chiral supersymmetric field theory whose ground state is a specified irreducible representation of a centrally extended loop group. The character index of the associated…

High Energy Physics - Theory · Physics 2009-10-22 Orlando Alvarez , I. M. Singer , Paul Windey

Let $\mathbf{T}$ be a pair of commuting hyponormal operators satisfying the so-called quasitriangular property $$ \textrm{dim} \; \textrm{ker} \; (\mathbf{T}-\boldsymbol\lambda) \ge \textrm{dim} \; \textrm{ker} \; (\mathbf{T} -…

Functional Analysis · Mathematics 2018-12-11 Sameer Chavan , Raul E. Curto

This work is concerned with extending the results of Calder\' on and Vaillancourt proving the boundedness of Weyl pseudo differential operators Op_h^{weyl} (F) in L^2(\R^n). We state conditions under which the norm of such operators has an…

Analysis of PDEs · Mathematics 2014-04-02 Laurent Amour , Lisette Jager , Jean Nourrigat

We study the algebra of Weyl modules in types $A$ and $C$ using the methods of arcs over toric degenerations and functional realization of dual space. We compute the generators and relations of this algebra and construct its basis.

Representation Theory · Mathematics 2020-06-09 Ievgen Makedonskyi

We construct a nontrivial cyclic cocycle on the Weyl algebra of a symplectic vector space. Using this cyclic cocycle we construct an explicit, local, quasi-isomorphism from the complex of differential forms on a symplectic manifold to the…

K-Theory and Homology · Mathematics 2009-08-13 M. Pflaum , H. Posthuma , X. Tang

We give a survey of cyclic homology/cohomology theory including a detailed discussion of cyclic theories for various classes of topological algebras. We show how to associate cyclic classes with Fredholm modules and $K$-theory classes and…

Operator Algebras · Mathematics 2007-05-23 Joachim Cuntz

Motivated by a recent investigation of Costakis et al. on the notion of recurrence in linear dynamics, we study various stronger forms of recurrence for linear operators, in particular that of frequent recurrence. We study, among other…

Functional Analysis · Mathematics 2024-03-08 Antonio Bonilla , Karl-G. Grosse-Erdmann , Antoni López-Martínez , Alfred Peris

In this paper, we introduce the Bessel-Struve transform, we establish an inversion theorem of the Weyl integral transform associated with this transform, in the case of half integers, we give a characterization of the range of…

Classical Analysis and ODEs · Mathematics 2010-12-14 Lotfi Kamoun , Selma Negzaoui

In this paper, we consider Dunkl theory on R^d associated to a finite reflection group. This theory generalizes classical Fourier anal- ysis. First, we give for 1 < p <= 2, sufficient conditions for weighted Lp-estimates of the Dunkl…

Analysis of PDEs · Mathematics 2012-08-27 Chokri Abdelkefi , Faten Rached

In this paper, we study the linear dynamical properties of shift operators on some classes of Segal algebras. Moreover, we characterize hypercyclic generalized bilateral shift operators on the standard Hilbert module.

Functional Analysis · Mathematics 2023-06-22 Stefan Ivkovic , Seyyed Mohammad Tabatabaie

We explore the connection between the holographic Weyl anomaly and the superconformal index in six-dimensional $(1,0)$ theories. Using earlier results from holographic computations of the $\mathcal O(1)$ contributions $\delta a$ and…

High Energy Physics - Theory · Physics 2019-01-16 James T. Liu , Brian McPeak

We examine relations between geometry and the associated curvature decompositions in Weyl geometry.

Differential Geometry · Mathematics 2010-08-26 P. Gilkey , S. Nikcevic , U. Simon