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Displaying similar documents to “On the maximum number of arcs in some classes of graphs”

Every 8-Traceable Oriented Graph Is Traceable

Susan A. van Aardt (2017)

Discussiones Mathematicae Graph Theory

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A digraph of order n is k-traceable if n ≥ k and each of its induced subdigraphs of order k is traceable. It is known that if 2 ≤ k ≤ 6, every k-traceable oriented graph is traceable but for k = 7 and for each k ≥ 9, there exist k-traceable oriented graphs that are nontraceable. We show that every 8-traceable oriented graph is traceable.