English

The Alon-Tarsi number of planar graphs -- a simple proof

Combinatorics 2022-03-31 v1

Abstract

This paper gives a simple proof of the result that every planar graph GG has Alon-Tarsi number at most 5, and has a matching MM such that GMG-M has Alon-Tarsi number at most 4.

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Cite

@article{arxiv.2203.16308,
  title  = {The Alon-Tarsi number of planar graphs -- a simple proof},
  author = {Yangyan Gu and Xuding Zhu},
  journal= {arXiv preprint arXiv:2203.16308},
  year   = {2022}
}

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4 pages