English

Majority distinguishing edge coloring

Combinatorics 2023-12-12 v1

Abstract

We consider edge colorings of graphs. An edge coloring is a majority coloring if for every vertex at most half of the edges incident with it are in one color. And edge coloring is a distinguishing coloring if for every non-trivial automorphism at least one edge changes its color. We consider these two notions together. We show that every graph without pendant edges has a majority distinguishing edge coloring with at most Δ+5\lceil\sqrt{\Delta}\rceil+5 colors. Moreover, we show results for some classes of graphs and a~general result for symmetric digraphs.

Keywords

Cite

@article{arxiv.2312.05564,
  title  = {Majority distinguishing edge coloring},
  author = {Aleksandra Gorzkowska and Magdalena Prorok},
  journal= {arXiv preprint arXiv:2312.05564},
  year   = {2023}
}
R2 v1 2026-06-28T13:45:52.166Z