Majority Colourings of Digraphs
Author(s): Kreutzer, Stephan; Oum, Sang-il; Seymour, Paul D.; van der Zypen, Dominic; Wood, David R
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Abstract: | We prove that every digraph has a vertex 4-colouring such that for each vertex v, at most half the out-neighbours of v receive the same colour as v. We then obtain several results related to the conjecture obtained by replacing 4 by 3. |
Publication Date: | 2017 |
Electronic Publication Date: | 19-May-2017 |
Citation: | Kreutzer, Stephan, Oum, Sang-il, Seymour, Paul, van der Zypen, Dominic, Wood, David R. (2017). Majority Colourings of Digraphs. ELECTRONIC JOURNAL OF COMBINATORICS, 24 |
ISSN: | 1077-8926 |
Type of Material: | Journal Article |
Journal/Proceeding Title: | ELECTRONIC JOURNAL OF COMBINATORICS |
Version: | Final published version. This is an open access article. |
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