English

A discrete Funk-Hecke theorem

High Energy Physics - Theory 2023-03-10 v1

Abstract

A discrete Funk--Hecke formula is set up using the analogy between ordinary and operator spherical harmonics. It is the fuzzy sphere analogue of the conventional theory. An example is related, in the classical limit, to the Rayleigh partial wave expansion.

Cite

@article{arxiv.2303.05362,
  title  = {A discrete Funk-Hecke theorem},
  author = {J. S. Dowker},
  journal= {arXiv preprint arXiv:2303.05362},
  year   = {2023}
}

Comments

10 pages, 3 Figs

R2 v1 2026-06-28T09:09:32.769Z