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- W2012203419 abstract "In this paper, we study the hop constrained chain polytope, that is, the convex hull of the incidence vectors of (s,t)-chains using at most k arcs of a given digraph, and its dominant. We use extended formulations (implied by the inherent structure of the Moore–Bellman–Ford algorithm) to derive facet defining inequalities for these polyhedra via projection. Our findings result in characterizations of all facet defining 0/±1-inequalities for the hop constrained chain polytope and all facet defining 0/1-inequalities for its dominant. Although the derived inequalities are already known, such classifications were not previously given to the best of our knowledge. Moreover, we use this approach to generalize so called jump inequalities, which have been introduced in a paper by Dahl and Gouveia in 2004." @default.
- W2012203419 created "2016-06-24" @default.
- W2012203419 creator A5005234519 @default.
- W2012203419 creator A5057878065 @default.
- W2012203419 date "2014-01-01" @default.
- W2012203419 modified "2023-09-30" @default.
- W2012203419 title "Characterization of facets of the hop constrained chain polytope via dynamic programming" @default.
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- W2012203419 doi "https://doi.org/10.1016/j.dam.2013.08.015" @default.
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