Titlebook: Operations Research Proceedings 2011; Selected Papers of t Diethard Klatte,Hans-Jakob Lüthi,Karl Schmedders Conference proceedings 2012 Spr

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0721-5924 tary material: This book contains a selection of refereed papers presented at the “International Conference on Operations Research (OR 2011)” which took place at the University of Zurich from August 30 to September 2, 2011. The conference was jointly organized by the German speaking OR societies fro

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Inverse Shortest Path Models Based on Fundamental Cycle Basescompatible’ norms we present a cycle basis model equivalent to the LP dual. The LP dual of our cycle basis model is a path based model that only requires a polynomial number of path constraints. This model is valid also for ’LP incompatible’ norms. This yields the first polynomial sized . formulation of the original problem.

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