Problem cost266--U-U-E-N-S-A-N-N


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Demands 1332
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Originator Cost 266, http://www.ibcn.intec.ugent.be/INTERNAL/NRS/index.html
Contributor Pieter Audenaert, iNTEC, Ghent University
Submission date 17.10.2005
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Solutions provided to SNDlib:

objective contributor submission date additional information
27681734.21 Sebastian Orlowski 20.12.2005 path-flow LP with column generation, B&C with metric inequalities, time limit 1h, routing cost ignored in the model

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Dual bounds provided to SNDlib:

dual bound contributor submission date additional information
23707019.81 Christian Raack 06.11.2006 taken from cost266--U-U-E-N-C-A-N-N

Note: we encourage you to submit dual bounds to a problem if you have them. However, in contrast to primal solutions, we cannot check dual bounds for validity, which is why dual bounds are only listed here together with their contributor.



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