Geodesic
Antiflows, oriented and strong oriented colorings of graphs
Archivum mathematicum, Tome 40 (2004) no. 4, pp. 335-343.

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We present an overview of the theory of nowhere zero flows, in particular the duality of flows and colorings, and the extension to antiflows and strong oriented colorings. As the main result, we find the asymptotic relation between oriented and strong oriented chromatic number.
Classification : 05C15
Keywords: antiflow; strong oriented coloring 
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     title = {Antiflows, oriented and strong oriented colorings of graphs},
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Šámal, Robert. Antiflows, oriented and strong oriented colorings of graphs. Archivum mathematicum, Tome 40 (2004) no. 4, pp. 335-343. http://geodesic.mathdoc.fr/item/ARM_2004__40_4_a1/