3 papers
math.FA2026
spaces in the Dunkl setting meet Coifman--Weiss--type atoms
Jacek Dziubański, Agnieszka Hejna-Łyżwa
Let be the Dunkl Laplacian associated with an arbitrary root system and a nonnegative multiplicity function. For every , a Coifman-Weiss type atomic characterizatio…
math.FA2026
On Lipschitz Spaces, Semigroup Transference, and Heat Kernel Derivative Estimates in Dunkl--Schrödinger Analysis
Agnieszka Hejna-Łyżwa
In this paper, we study Lipschitz spaces adapted to Dunkl--Schrödinger operators , where is the Dunkl Laplacian and belongs to the reverse H…
math.FA2026
Hörmander's multiplier theorem on -spaces in the rational Dunkl setting
Jacek Dziubański, Agnieszka Hejna-Łyżwa
On equipped with a normalized root system and a multiplicity function , let $dw(\mathbf x)=Π_{α\in \mathcal R}|\langle \mathbf x,α\rangle|^{k(α…