Symmetric Dyck paths and q-Narayana numbers
Combinatorics
2026-01-14 v1
Abstract
We show that the q-Narayana numbers for q=-1 count symmetric Dyck paths according to the number of their valleys.
Cite
@article{arxiv.2601.08366,
title = {Symmetric Dyck paths and q-Narayana numbers},
author = {Johann Cigler},
journal= {arXiv preprint arXiv:2601.08366},
year = {2026}
}
Comments
7 pages