English

Edge-coloring linear hypergraphs with medium-sized edges

Combinatorics 2023-10-13 v3

Abstract

Motivated by the Erd\H{o}s-Faber-Lov\'{a}sz (EFL) conjecture for hypergraphs, we consider the list edge coloring of linear hypergraphs. We show that if the hyper-edge sizes are bounded between ii and Ci,ϵnC_{i,\epsilon} \sqrt{n} inclusive, then there is a list edge coloring using (1+ϵ)ni1(1 + \epsilon) \frac{n}{i - 1} colors. The dependence on nn in the upper bound is optimal (up to the value of Ci,ϵC_{i,\epsilon}).

Keywords

Cite

@article{arxiv.1707.08372,
  title  = {Edge-coloring linear hypergraphs with medium-sized edges},
  author = {Vance Faber and David G. Harris},
  journal= {arXiv preprint arXiv:1707.08372},
  year   = {2023}
}
R2 v1 2026-06-22T20:57:52.820Z