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math.OC2016
The structure of the infinite models in integer programming
Amitabh Basu, Michele Conforti, Marco Di Summa +1
The infinite models in integer programming can be described as the convex hull of some points or as the intersection of halfspaces derived from valid functions. In this paper we st…
math.OC2016
Optimality certificates for convex minimization and Helly numbers
Amitabh Basu, Michele Conforti, Gérard Cornuéjols +2
We consider the problem of minimizing a convex function over a subset of R^n that is not necessarily convex (minimization of a convex function over the integer points in a polytope…