Ren, G.; Liu, L.
(Symmetry, Integrability and Geometry: Methods and Applications, 2008)
Assume that f is Dunkl polyharmonic in Rn (i.e. (Δh)p f = 0 for some integer p, where Δh is the Dunkl Laplacian associated to a root system R and to a multiplicity function κ, defined on R and invariant with respect to the ...