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79
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IPCO
2004
93views Optimization» more  IPCO 2004»
15 years 2 months ago
Semi-continuous Cuts for Mixed-Integer Programming
We study the convex hull of the feasible set of the semi-continuous knapsack problem, in which the variables belong to the union of two intervals. Besides being important in its o...
I. R. de Farias
IPCO
2004
100views Optimization» more  IPCO 2004»
15 years 2 months ago
Valid Inequalities Based on Simple Mixed-Integer Sets
In this paper we use facets of simple mixed-integer sets with three variables to derive a parametric family of valid inequalities for general mixed-integer sets. We call these ine...
Sanjeeb Dash, Oktay Günlük
74
Voted
IPCO
2001
69views Optimization» more  IPCO 2001»
15 years 2 months ago
On the Rank of Mixed 0, 1 Polyhedra
Gérard Cornuéjols, Yanjun Li