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25 pretty graph colouring problems. (English) Zbl 0971.05046
This article presents 25 unsolved graph colouring problems, each one with the name of the person or people who posed the problem and the year in which it was posed. One reference is given, a book by the same authors: [T. R. Jensen and B. Toft, Graph coloring problems (Wiley-Interscience, New York) (1995; Zbl 0855.05054)]. Presumably the authors have chosen the 25 prettiest problems from their book.

MSC:
05C15 Coloring of graphs and hypergraphs
05-02 Research exposition (monographs, survey articles) pertaining to combinatorics
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