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Directed cycles with chords
Authors:Daniel A Marcus
Abstract:Using a variation of Thomassen's admissible triples technique, we give an alternative proof that every strongly 2‐arc‐connected directed graph with two or more vertices contains a directed cycle that has at least two chords, while at the same time establishing a more general result. © 1999 John Wiley & Sons, Inc. J Graph Theory 31:17–28, 1999
Keywords:graph  directed graph  cycle  chord  spanning subgraph
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