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Dirac's theorem on chordal graphs implies Brooks' theorem

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arxiv 2307.00640 v2 pith:NOTKJXAO submitted 2023-07-02 math.CO

classification math.CO
keywords theorembrookschordaldiracgraphsanotherfamousgive
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We give yet another proof of the list-color version of Brooks' theorem that is due, independently, to Vizing and to Erd\H{o}s, Rubin and Taylor, via a famous theorem of Dirac on chordal graphs.

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