paper

An EL-labeling of the subgroup lattice

arXiv:0708.3539 · doi:10.1090/S0002-9939-08-09586-5

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.

8 pages. v2 has minor exposition improvements and typos fixed, and one reference added. v3 has typos fixed

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