English

Distinguishing regular graphs from lists

Combinatorics 2025-02-25 v3

Abstract

An edge colouring of a graph is called distinguishing if there is no non-trivial automorphism which preserves it. We prove that every at most countable, finite or infinite, connected regular graph of order at least 77 admits a distinguishing edge colouring from any set of lists of length 22. Furthermore, we show that the same holds for connected regular graphs of order κ\kappa where κ\kappa is a fixed point of the aleph hierarchy.

Keywords

Cite

@article{arxiv.2207.14728,
  title  = {Distinguishing regular graphs from lists},
  author = {Jakub Kwaśny and Marcin Stawiski},
  journal= {arXiv preprint arXiv:2207.14728},
  year   = {2025}
}
R2 v1 2026-06-25T01:20:08.682Z