A general identity for umbral operators and a special subclass
Combinatorics
2026-05-21 v2
Abstract
We prove a new universal identity for umbral operators. This motivates the definition of a subclass satisfying a simplified identity, which we fully characterize. The results are illustrated with common examples of the theory of umbral calculus.
Cite
@article{arxiv.2601.10275,
title = {A general identity for umbral operators and a special subclass},
author = {Kei Beauduin},
journal= {arXiv preprint arXiv:2601.10275},
year = {2026}
}