Tournaments and colouring
نویسندگان
چکیده
A tournament is a complete graph with its edges directed, and colouring a tournament means partitioning its vertex set into transitive subtournaments. For some tournaments H there exists c such that every tournament not containing H as a subtournament has chromatic number at most c (we call such a tournament H a hero); for instance, all tournaments with at most four vertices are heroes. In this paper we explicitly describe all heroes.
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عنوان ژورنال:
- J. Comb. Theory, Ser. B
دوره 103 شماره
صفحات -
تاریخ انتشار 2013