An EL-labeling of the subgroup lattice
Combinatorics
2011-01-27 v3 Group Theory
Abstract
In a 2001 paper, Shareshian conjectured that the subgroup lattice of a finite, solvable group has an EL-labeling. We construct such a labeling, and verify that our labeling has the expected properties.
Cite
@article{arxiv.0708.3539,
title = {An EL-labeling of the subgroup lattice},
author = {Russ Woodroofe},
journal= {arXiv preprint arXiv:0708.3539},
year = {2011}
}
Comments
8 pages. v2 has minor exposition improvements and typos fixed, and one reference added. v3 has typos fixed