Problem nobel-us--U-U-E-N-I-A-N-N

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Originator EU-Project NOBEL,
Contributor Ralf Huelsermann, T-Systems International AG
Submission date 17.10.2005
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Solutions provided to SNDlib:

objective contributor submission date additional information
2506530.00 Sebastian Orlowski 20.12.2005 path-flow LP with column generation, B&C with metric inequalities, time limit 1h

statistics about all solutions

Dual bounds provided to SNDlib:

dual bound contributor submission date additional information
2506240.00 Christian Raack 06.11.2006 taken from nobel-us--U-U-E-N-C-A-N-N
2504871.67 Sebastian Orlowski 19.12.2005 taken from nobel-us--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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