A concise proof of cylindric Schur positivity
Combinatorics
2026-05-21 v1
Abstract
Cylindric Schur functions are a family of symmetric functions that generalize skew Schur functions. We give a short proof that skew cylindric Schur functions expand positively in terms of non-skew cylindric Schur functions. In particular, we show that the expansion coefficients are fusion coefficients.
Cite
@article{arxiv.2605.20540,
title = {A concise proof of cylindric Schur positivity},
author = {Alexander Dobner},
journal= {arXiv preprint arXiv:2605.20540},
year = {2026}
}
Comments
3 pages