Preprint
We investigate the combinatorics of the general formulas for the powers of the operator $h \partial^k$, where $h$ is a central element of a ring and $\partial$ is a differential operator. This generalizes previous work on the powers of operators $h \partial$. New formulas for the generalized Stirling numbers are obtained.
Emmanuel Briand
Mercedes Rosas
Publication
Year of publication: 2018
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Alternative Titles
Preprint
File
UniversalPoly_arxiv.pdf406.87 KB