Journal of Integer Sequences, Vol. 26 (2023), Article 23.7.1

Some Determinantal Representations of Eulerian Polynomials and Their q-Analogues


Chak-On Chow
28A, Block 2, Banyan Garden
Cheung Sha Wan
Hong Kong

Abstract:

The author recently q-extended the approach of Qi, Wang, and Guo to derangement numbers, and successfully applied this extended approach to obtain expressions for certain types B and D of derangement polynomials as determinants of order n + 1. In this paper, we demonstrate that the q-extended approach is applicable to other generating functions, including the Eulerian polynomials An(t), Bn(t), and Dn(t) for types A,B, and D, as well as the types A and B "inv" analogues of q-Eulerian polynomials Aninv(t, q) and Bninv(t, q). We also present a new recurrence relation for Bninv(t, q).


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Received February 7 2023; revised versions received June 24 2023; June 26 2023. Published in Journal of Integer Sequences, July 24 2023.


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