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Minimizing submodular functions over families of sets

โœ Scribed by M. X. Goemans; V. S. Ramakrishnan


Publisher
Springer-Verlag
Year
1995
Tongue
English
Weight
793 KB
Volume
15
Category
Article
ISSN
0209-9683

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A note on the minimization of symmetric
โœ H Narayanan ๐Ÿ“‚ Article ๐Ÿ“… 2003 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 131 KB

In this paper we relate the minimization problems for general submodular functions and symmetric submodular functions. We characterize the contractions and restrictions of symmetric submodular functions. The latter we show to be the same as posimodular functions. Finally, we prove the equivalence of