Laguerre semigroup and Dunkl operators

SB Saïd, T Kobayashi, B Ørsted - Compositio Mathematica, 2012 - cambridge.org
We construct a two-parameter family of actions ωk, a of the Lie algebra 𝔰𝔩 (2, ℝ) by
differential–difference operators on ℝN∖{0}. Here k is a multiplicity function for the Dunkl …

[图书][B] Dunkl theory, convolution algebras, and related Markov processes

M Rösler, M Voit - 2008 - researchgate.net
These lecture notes are intended as an introduction to the theory of rational Dunkl operators,
the associated special functions and related Markov processes with an emphasis on …

Dunkl-type Segal–Bargmann transform and its applications to some partial differential equations

F Soltani, M Nenni - Georgian Mathematical Journal, 2025 - degruyter.com
In this paper, we give some applications of the Dunkl-type Segal–Bargmann transform ℬ α in
the field of partial differential equations, such as the time-dependent Dunkl–Dirac Laplacian …

The Howe duality for the Dunkl version of the Dirac operator

B Ørsted, P Somberg, V Souček - Advances in applied Clifford algebras, 2009 - Springer
The classical Fischer decomposition of polynomials on Euclidean space makes it possible to
express any polynomial as a sum of harmonic polynomials multiplied by powers of| x| 2. A …

Spherical harmonics and integration in superspace: II

H De Bie, D Eelbode, F Sommen - Journal of Physics A …, 2009 - iopscience.iop.org
The study of spherical harmonics in superspace, introduced in (De Bie and Sommen 2007 J.
Phys. A: Math. Theor. 40 7193) is further elaborated. A detailed description of spherical …

[HTML][HTML] A unified class of integral transforms related to the Dunkl transform

S Ghazouani, EA Soltani, A Fitouhi - Journal of Mathematical Analysis and …, 2017 - Elsevier
In the present paper, a new family of integral transforms depending on two parameters and
related to the Dunkl transform is introduced. Well-known transforms, such as the fractional …

[HTML][HTML] The centre of the Dunkl total angular momentum algebra

K Calvert, M De Martino, R Oste - Journal of Algebra, 2024 - Elsevier
For a finite dimensional representation V of a finite reflection group W, we consider the
rational Cherednik algebra H t, c (V, W) associated with (V, W) at the parameters t≠ 0 and c …

Fock model and Segal–Bargmann transform for minimal representations of Hermitian Lie groups

J Hilgert, T Kobayashi, J Möllers, B Ørsted - Journal of functional analysis, 2012 - Elsevier
For any Hermitian Lie group G of tube type we construct a Fock model of its minimal
representation. The Fock space is defined on the minimal nilpotent KC-orbit X in pC and the …

[HTML][HTML] The metaplectic Howe duality and polynomial solutions for the symplectic Dirac operator

H De Bie, P Somberg, V Souček - Journal of Geometry and Physics, 2014 - Elsevier
We study various aspects of the metaplectic Howe duality realized by the Fischer
decomposition for the metaplectic representation space of polynomials on R 2 n valued in …

The wave equation for Dunkl operators

SB Said, B Ørsted - Indagationes Mathematicae, 2005 - Elsevier
Let k=(kα) αεℝ, be a positive-real valued multiplicity function related to a root system ℝ, and
Δk be the Dunkl-Laplacian operator. For (x, t) ε ℝN,× ℝ, denote by uk (x, t) the solution to the …