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31st Annual Symposium on Foundations of Computer Science (FOCS 1990)
St. Louis, MO, USA
October 22-October 24
ISBN: 0-8186-2082-X
P. Klein, Brown Univ., Providence, RI, USA
A. Agrawal, Brown Univ., Providence, RI, USA
R. Ravi, Brown Univ., Providence, RI, USA
The first approximate max-flow-min-cut theorem for general multicommodity flow is proved. It is used to obtain approximation algorithms for minimum deletion of clauses of a 2-CNF identical to formula, via minimization problems, and other problems. Also presented are approximation algorithms for chordalization of a graph and for register sufficiency that are based on undirected and directed node separators.
Index Terms:
minimum deletion, multicommodity flow, max-flow-min-cut theorem, approximation algorithms
Citation:
P. Klein, A. Agrawal, R. Ravi, S. Rao, "Approximation through multicommodity flow," focs, pp.726-737 vol.2, 31st Annual Symposium on Foundations of Computer Science (FOCS 1990), 1990
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