The number of roots of full support
Combinatorics
2017-01-31 v2
Abstract
Chapoton has observed a simple product formula for the number of reflections in a finite Coxeter group that have full support. We give a uniform proof of his formula for Weyl groups. We furthermore refine his formula by the length of the roots.
Keywords
Cite
@article{arxiv.1602.08346,
title = {The number of roots of full support},
author = {Marko Thiel},
journal= {arXiv preprint arXiv:1602.08346},
year = {2017}
}
Comments
3 pages