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- W2136407239 abstract "We consider the separation problem for sets X that are pre-images of a given set S by a linear mapping. Classical examples occur in integer programming, as well as in other optimization problems such as complementarity. One would like to generate valid inequalities that cut off some point not lying in X, without reference to the linear mapping. To this aim, we introduce a concept: cut-generating functions (CGF) and we develop a formal theory for them, largely based on convex analysis. They are intimately related to S-free sets and we study this relation, disclosing several definitions for minimal CGF's and maximal S-free sets. Our work unifies and puts into perspective a number of existing works on S-free sets; in particular, we show how CGF's recover the celebrated Gomory cuts." @default.
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- W2136407239 date "2015-05-01" @default.
- W2136407239 modified "2023-10-13" @default.
- W2136407239 title "Cut-Generating Functions and <i>S</i>-Free Sets" @default.
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- W2136407239 doi "https://doi.org/10.1287/moor.2014.0670" @default.
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