Oriented list colorings of graphs
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Zs. Tuza; M. Voigt
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Article
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2001
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John Wiley and Sons
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English
โ 159 KB
๐ 1 views
A 2-assignment on a graph G (V,E) is a collection of pairs Lv of allowed colors speciยฎed for all vertices v PV. The graph G (with at least one edge) is said to have oriented choice number 2 if it admits an orientation which satisยฎes the following property: For every 2-assignment there exists a choic