English

All graphs are majority 3-choosable

Combinatorics 2025-05-12 v1

Abstract

Every graph is majority 3-choosable. This generalises the result by Shelah-Milner that every graph has an unfriendly 3-partition, confirming a conjecture of Haslegrave from 2020.

Keywords

Cite

@article{arxiv.2505.06031,
  title  = {All graphs are majority 3-choosable},
  author = {Jan Ouborny and Max Pitz},
  journal= {arXiv preprint arXiv:2505.06031},
  year   = {2025}
}
R2 v1 2026-06-28T23:27:14.271Z