Approximation algorithms for asymmetric TSP by decomposing directed regular multigraphs.
A directed multigraph is said to be d-regular if the indegree and outdegree of every vertex is exactly d. By Hall's theorem, one can represent such a multigraph as a combination of at most n2 cycle covers, each taken with an appropriate multiplicity. We prove that if the d-regular multigraph do...
| Gepubliceerd in: | Journal of the ACM 52, 4 (2005). |
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| Formaat: | Artikel |
| Taal: | English |
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