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Minimum Cost Homomorphisms to Semicomplete Bipartite Digraphs

✍ Scribed by Gutin, Gregory; Rafiey, Arash; Yeo, Anders


Book ID
118197638
Publisher
Society for Industrial and Applied Mathematics
Year
2008
Tongue
English
Weight
272 KB
Volume
22
Category
Article
ISSN
0895-4801

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We consider the problem (minimum spanning strong subdigraph (MSSS)) of finding the minimum number of arcs in a spanning strongly connected subdigraph of a strongly connected digraph. This problem is NP-hard for general digraphs since it generalizes the Hamiltonian cycle problem. We characterize the