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math.OC2018★ 2 cited
Equivariant Perturbation in Gomory and Johnson's Infinite Group Problem. VII. Inverse semigroup theory, closures, decomposition of perturbations
Robert Hildebrand, Matthias Köppe, Yuan Zhou
In this self-contained paper, we present a theory of the piecewise linear minimal valid functions for the 1-row Gomory-Johnson infinite group problem. The non-extreme minimal valid…
math.OC2018
Binary Extended Formulations
Sanjeeb Dash, Oktay Gunluk, Robert Hildebrand
We analyze different ways of constructing binary extended formulations of mixed-integer problems with bounded integer variables and compare their relative strength with respect to…