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arXiv · 1202.3549

Excluding 4-wheels

Pierre Aboulker
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Abstract

A 4-wheel is a graph formed by a cycle C and a vertex not in C that has at least four neighbors in C. We prove that a graph G that does not contain a 4-wheel as a subgraph is 4-colorable and we describe some structural properties of such a graph.

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Pierre Aboulker. 2012-02-16. Excluding 4-wheels. https://arxiv.org/abs/1202.3549

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