Clifford Prolate Spheroidal wave Functions
Classical Analysis and ODEs
2021-12-21 v1
Abstract
In the present paper, we introduce the multidimensional Clifford prolate spheroidal wave functions (CPSWFs) defined on the unit ball as eigenfunctions of a Clifford differential operator and provide a Galerkin method for their computation as linear combinations of Clifford-Legendre polynomials. We show that these functions are eigenfunctions of the truncated Fourier transformation. Then we investigate the role of the CPSWFs in the spectral concentration problem associated with balls in the space and frequency domains, the behaviour of the eigenvalues of the time-frequency limiting operator and their spectral accumulation property.
Cite
@article{arxiv.2112.09897,
title = {Clifford Prolate Spheroidal wave Functions},
author = {Hamed Baghal Ghaffari and Jeffrey A. Hogan and Joseph D. Lakey},
journal= {arXiv preprint arXiv:2112.09897},
year = {2021}
}