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math.OC2018
Characterization and Approximation of Strong General Dual Feasible Functions
Matthias Köppe, Jiawei Wang
Dual feasible functions (DFFs) have been used to provide bounds for standard packing problems and valid inequalities for integer optimization problems. In this paper, the connectio…
math.OC2017★ 1 cited
Structure and Interpretation of Dual-Feasible Functions
Matthias Köppe, Jiawei Wang
We study two techniques to obtain new families of classical and general Dual-Feasible Functions: A conversion from minimal Gomory--Johnson functions; and computer-based search usin…