Disjoint dijoins
A "dijoin" in a digraph is a set of edges meeting every directed cut. D.R. Woodall conjectured in 1976 that if G is a digraph, and every directed cut of G has at least k edges, then there are k pairwise disjoint dijoins. This remains open, but a capacitated version is known to be false. In...
Main Authors: | , , , , |
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Format: | Journal article |
Published: |
Elsevier
2016
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