Determinant expressions for \(q\)-harmonic congruences and degenerate Bernoulli numbers
The electronic journal of combinatorics, Tome 15 (2008)
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The generalized harmonic numbers $H_n^{(k)}=\sum_{j=1}^n j^{-k}$ satisfy the well-known congruence $H_{p-1}^{(k)}\equiv 0\pmod{p}$ for all primes $p\geq 3$ and integers $k\geq 1$. We derive $q$-analogs of this congruence for two different $q$-analogs of the sum $H_n^{(k)}$. The results can be written in terms of certain determinants of binomial coefficients which have interesting properties in their own right. Furthermore, it is shown that one of the classes of determinants is closely related to degenerate Bernoulli numbers, and new properties of these numbers are obtained as a consequence.
Karl Dilcher. Determinant expressions for \(q\)-harmonic congruences and degenerate Bernoulli numbers. The electronic journal of combinatorics, Tome 15 (2008). doi: 10.37236/787
@article{10_37236_787,
author = {Karl Dilcher},
title = {Determinant expressions for \(q\)-harmonic congruences and degenerate {Bernoulli} numbers},
journal = {The electronic journal of combinatorics},
year = {2008},
volume = {15},
doi = {10.37236/787},
zbl = {1206.11024},
url = {http://geodesic.mathdoc.fr/articles/10.37236/787/}
}
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