Polymatroid definitions

Polymatroid

==Citations== ===General References=== ...
Found on http://en.wikipedia.org/wiki/Polymatroid

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Polymatroid

Let N be a finite set and let f be a submodular function on the subsets of N with f(Ø)=0. The polymatroid associated with (N,f) is the polytope: {x in Rn+: Sum{j in S} xj
Found on http://glossary.computing.society.informs.org/index.php?page=P.html

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