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Arc-disjoint in- and out-branchings rooted at the same vertex in compositions of digraphs.
Gregory Z. Gutin
Yuefang Sun
Published in:
CoRR (2019)
Keyphrases
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directed graph
undirected graph
minimum length
equivalence classes
pairwise
random walk
search engine
knowledge base
multimedia
hidden markov models
approximation algorithms
network flow problem
minimum weight