A simple characterization of special matchings in lower Bruhat intervals
Combinatorics
2017-12-12 v1 Representation Theory
Abstract
We give a simple characterization of special matchings in lower Bruhat intervals (that is, intervals starting from the identity element) of a Coxeter group. As a byproduct, we obtain some results on the action of special matchings.
Cite
@article{arxiv.1712.03717,
title = {A simple characterization of special matchings in lower Bruhat intervals},
author = {Fabrizio Caselli and Mario Marietti},
journal= {arXiv preprint arXiv:1712.03717},
year = {2017}
}
Comments
accepted for publication on Discrete Mathematics