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arxiv: 1307.5509 · v2 · pith:X36BECYSnew · submitted 2013-07-21 · 🧮 math.CO · cs.DM

The double competition multigraph of a digraph

classification 🧮 math.CO cs.DM
keywords digraphscompetitiondoubledigraphmultigraphmultigraphsacyclicarbitrary
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In this article, we introduce the notion of the double competition multigraph of a digraph. We give characterizations of the double competition multigraphs of arbitrary digraphs, loopless digraphs, reflexive digraphs, and acyclic digraphs in terms of edge clique partitions of the multigraphs.

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