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Resource Constrained Shortest Paths

MPG-Autoren
http://pubman.mpdl.mpg.de/cone/persons/resource/persons45021

Mehlhorn,  Kurt
Algorithms and Complexity, MPI for Informatics, Max Planck Society;

http://pubman.mpdl.mpg.de/cone/persons/resource/persons45802

Ziegelmann,  Mark
Algorithms and Complexity, MPI for Informatics, Max Planck Society;

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Zitation

Mehlhorn, K., & Ziegelmann, M. (2000). Resource Constrained Shortest Paths. In Algorithms - ESA 2000, Proceedings of the 8th Annual European Symposium (ESA-00) (pp. 326-337). Berlin, Germany: Springer.


Zitierlink: http://hdl.handle.net/11858/00-001M-0000-000F-3349-9
Zusammenfassung
The resource constrained shortest path problem (CSP) asks for the computation of a least cost path obeying a set of resource constraints. The problem is NP-complete. We give theoretical and experimental results for CSP. In the theoretical part we present the hull approach, a combinatorial algorithm for solving a linear programming relaxation and prove that it runs in polynomial time in the case of one resource. In the experimental part we compare the hull approach to previous methods for solving the LP relaxation and give an exact algorithm based on the hull approach. We also compare our exact algorithm to previous exact algorithms and approximation algorithms for the problem.