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We examine the Sobolev space associated with the linear canonical Dunkl transform and explore some properties of the linear canonical Dunkl operators. Building on these results, we establish a real Paley-Wiener theorem for the linear…

Classical Analysis and ODEs · Mathematics 2025-04-29 Umamaheswari S , Sandeep Kumar Verma , Hatem Mejjaoli

In this paper, we provide a reduction formula for the Dunkl kernel for the root systems of type $A$. The Dunkl kernel for the root system $A_n$ is expressed as an integral involving the Dunkl kernel for the root system $A_{n-1}$. The…

Representation Theory · Mathematics 2024-12-17 P. Sawyer

The aim of this paper is to establish and study the linear canonical Dunkl wavelet transform. We begin by introducing the generalized translation operator and generalized convolution product for the linear canonical Dunkl transform and we…

Classical Analysis and ODEs · Mathematics 2025-03-04 Ahmed Saoudi , Imen Kallel

In this note, we express explicitly the Dunkl kernel and generalized Bessel functions of type $A_{n-1}$ by the Humbert's function $\Phi_{2}^{(n)}$, with one variable specified. The obtained formulas lead to a new proof of Xu's integral…

Classical Analysis and ODEs · Mathematics 2021-04-19 Hendrik De Bie , Pan Lian

In this paper, we pursue the investigations started in \cite{Mas-You} where the authors provide a construction of the Dunkl intertwining operator for a large subset of the set of regular multiplicity values. More precisely, we make concrete…

Group Theory · Mathematics 2015-07-13 Luc Deleaval , Nizar Demni , Hassan Youssfi

The real theory of the Dunkl operators has been developed very extensively, while there still lacks the corresponding complex theory. In this paper we introduce the complex Dunkl operators for certain Coxeter groups. These complex Dunkl…

Complex Variables · Mathematics 2009-12-31 Guangbin Ren , Helmuth R. Malonek

The main objective of this paper is twofold. One is to classify and construct $SL(3,\mathbb{R})$-intertwining differential operators between vector bundles over the real projective space $\mathbb{RP}^2$. It turns out that two kinds of…

Representation Theory · Mathematics 2025-08-12 Toshihisa Kubo , Bent Ørsted

Explicit inversion formulas for a subclass of integral operators with $D$-difference kernels on a finite interval are obtained. A case of the positive operators is treated in greater detail. An application to the inverse problem to recover…

Classical Analysis and ODEs · Mathematics 2009-11-20 A. L. Sakhnovich , A. A. Karelin , J. Seck-Tuoh-Mora , G. Perez-Lechuga , M. Gonzalez-Hernandez

In this note, a new proof for the positivity of Dunkl's intertwining operator in the crystallographic case is given. It is based on an asymptotic relationship between the Opdam-Cherednik kernel and the Dunkl kernel as recently observed by…

Classical Analysis and ODEs · Mathematics 2007-05-23 Margit Rösler , Michael Voit

The isotropic Dunkl oscillator model in the plane is investigated. The model is defined by a Hamiltonian constructed from the combination of two independent parabosonic oscillators. The system is superintegrable and its symmetry generators…

Mathematical Physics · Physics 2015-06-12 Vincent X. Genest , Mourad E. H. Ismail , Luc Vinet , Alexei Zhedanov

A supersymmetric extension of the Hahn algebra is introduced. This quadratic superalgebra, which we call the Hahn superalgebra, is constructed using the realization provided by the Dunkl oscillator model in the plane, whose Hamiltonian…

Mathematical Physics · Physics 2015-06-17 Vincent X. Genest , Jean-Michel Lemay , Luc Vinet , Alexei Zhedanov

We classify and construct $SL(n,\mathbb{R})$-intertwining differential operators $\mathcal{D}$ from a line bundle to a vector bundle over the real projective space $\mathbb{RP}^{n-1}$ by the F-method. This generalizes a classical result of…

Representation Theory · Mathematics 2024-08-16 Toshihisa Kubo , Bent Ørsted

Using Dunkl operators, we introduce a continuous family of canonical invariants of finite reflection groups. We verify that the elementary canonical invariants of the symmetric group are deformations of the elementary symmetric polynomials.…

Representation Theory · Mathematics 2009-06-03 Arkady Berenstein , Yurii Burman

The Dunkl-Coulomb system in the plane is considered. The model is defined in terms of the Dunkl Laplacian, which involves reflection operators, with a $r^{-1}$ potential. The system is shown to be maximally superintegrable and exactly…

Mathematical Physics · Physics 2015-02-13 Vincent X. Genest , Andréanne Lapointe , Luc Vinet

It is known that the Dunkl-type fractional integral operator $I_\beta$ $(0 < \beta < 2\alpha + 2 =d_\alpha)$ is bounded from $L^p(\R,d\mu_\alpha)$ to $L^q (\R, d\mu_\alpha)$ when $1 < p < \frac{d_\alpha}{\beta}$ and $\frac{1}{p} -…

Functional Analysis · Mathematics 2025-11-11 Sumit Parashar , Saswata Adhikari

Dunkl operators for complex reflection groups are defined in this paper. These commuting operators give rise to a parametrized family of deformations of the polynomial De Rham complex. This leads to the study of the polynomial ring as a…

Representation Theory · Mathematics 2007-05-23 C. F. Dunkl , E. M. Opdam

We use a degeneration of the 1D double affine Hecke algebra and the Dunkl operator to study systematically nonsymmetric Bessel functions and their truncations.

Quantum Algebra · Mathematics 2007-05-23 Ivan Cherednik , Yavor Markov

In this article, we undertake a two-fold investigation. First, we establish Calderons reproducing formula for the linear canonical Dunkl continuous wavelet transform. Further, we define the reproducing kernel linear canonical Dunkl Sobolev…

Functional Analysis · Mathematics 2025-05-14 Sandeep Kumar Verma , Umamaheswari S

In this paper, we will first show that the maximal operator $S_*^\alpha$ of spherical partial sums $S_R^\alpha$, associated to Dunkl transform on $\mathbb{R}$ is bounded on $L^p(\mathbb{R}, |x|^{2\alpha+1} dx)$ functions when…

Classical Analysis and ODEs · Mathematics 2007-06-26 Jamel El Kamel , Chokri Yacoub

On $\mathbb R^N$ equipped with a normalized root system $R$ and a multiplicity function $k\geq 0$ let us consider a (non-radial) kernel $K(\mathbf x)$ which has properties similar to those from the classical theory. We prove that a singular…

Functional Analysis · Mathematics 2019-10-16 Jacek Dziubański , Agnieszka Hejna