In this note, we prove a general identity between a $q$-multisum $B_N(q)$ and a sum of $N^2$ products of quotients of theta functions. The $q$-multisum $B_N(q)$ recently arose in the computation of a probability involving modules over finite chain rings.
@article{10_37236_10691,
author = {Jehanne Dousse and Robert Osburn},
title = {A \(q\)-multisum identity arising from finite chain ring probabilities},
journal = {The electronic journal of combinatorics},
year = {2022},
volume = {29},
number = {2},
doi = {10.37236/10691},
zbl = {1497.16021},
url = {http://geodesic.mathdoc.fr/articles/10.37236/10691/}
}
TY - JOUR
AU - Jehanne Dousse
AU - Robert Osburn
TI - A \(q\)-multisum identity arising from finite chain ring probabilities
JO - The electronic journal of combinatorics
PY - 2022
VL - 29
IS - 2
UR - http://geodesic.mathdoc.fr/articles/10.37236/10691/
DO - 10.37236/10691
ID - 10_37236_10691
ER -
%0 Journal Article
%A Jehanne Dousse
%A Robert Osburn
%T A \(q\)-multisum identity arising from finite chain ring probabilities
%J The electronic journal of combinatorics
%D 2022
%V 29
%N 2
%U http://geodesic.mathdoc.fr/articles/10.37236/10691/
%R 10.37236/10691
%F 10_37236_10691
Jehanne Dousse; Robert Osburn. A \(q\)-multisum identity arising from finite chain ring probabilities. The electronic journal of combinatorics, Tome 29 (2022) no. 2. doi: 10.37236/10691