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math.OC2017
Optimal cutting planes from the group relaxations
Amitabh Basu, Michele Conforti, Marco Di Summa +1
We study quantitative criteria for evaluating the strength of valid inequalities for Gomory and Johnson's finite and infinite group models and we describe the valid inequalities th…
math.OC2017
Extreme functions with an arbitrary number of slopes
Amitabh Basu, Michele Conforti, Marco Di Summa +1
For the one dimensional infinite group relaxation, we construct a sequence of extreme valid functions that are piecewise linear and such that for every natural number , th…