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cs.DM2018
Extended Formulations for Radial Cones
Matthias Walter, Stefan Weltge
This paper studies extended formulations for radial cones at vertices of polyhedra, where the radial cone of a polyhedron at a vertex is the polyhedron defined by…
math.OC2018
Distances of optimal solutions of mixed-integer programs
Joseph Paat, Robert Weismantel, Stefan Weltge
A classic result of Cook et al. (1986) bounds the distances between optimal solutions of mixed-integer linear programs and optimal solutions of the corresponding linear relaxations…