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Exploring the complexity boundary between coloring and

✍ Scribed by Flavia Bonomo; Guillermo Durán; Javier Marenco

Publisher
Springer US
Year
2008
Tongue
English
Weight
373 KB
Volume
169
Category
Article
ISSN
0254-5330

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📜 SIMILAR VOLUMES

Acyclic graph coloring and the complexit
Acyclic graph coloring and the complexity of the star chromatic number
✍ David R. Guichard 📂 Article 📅 1993 🏛 John Wiley and Sons 🌐 English ⚖ 294 KB

## Abstract Star chromatic number, introduced by A. Vince, is a natural generalization of chromatic number. We consider the question, “When is χ\* < χ?” We show that χ\* < χ if and only if a particular digraph is acyclic and that the decisioin problem associated with this question is probably not i