Problem ta1--U-U-E-N-C-A-N-N


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Nodes 24
Links 55
Demands 396
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Originator Telekom Austria, http://www.telekom.at
Contributor Franz Serajnik, Telekom Austria
Submission date 17.10.2005
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Solutions provided to SNDlib:

objective contributor submission date additional information
8004807.93 Christian Raack 06.11.2006 edge-flow formulation, CPLEX 10.0, time limit 1h
7695229.30 Sebastian Orlowski 20.12.2005 taken from ta1--U-U-E-N-C-A-Y-N
7577295.21 Christian Raack 06.11.2006 edge-flow formulation, CPLEX 10.0 plus flow-cutset inequalities, time limit 1h

statistics about all solutions

Dual bounds provided to SNDlib:

dual bound contributor submission date additional information
7236389.82 Christian Raack 06.11.2006 edge-flow formulation, CPLEX 10.0 plus flow-cutset inequalities, 2 minutes to optimality
6429484.83 Christian Raack 06.11.2006 edge-flow formulation, CPLEX 10.0, time limit 1h
6385112.99 Sebastian Orlowski 19.12.2005 path-flow LP with column generation, B&C with metric inequalities, time limit 1h

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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