Problem dfn-bwin--U-U-E-N-C-A-N-N


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Nodes 10
Links 45
Demands 90
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Originator DFN-Verein, http://www.dfn.de
Contributor Andreas Bley, Zuse-Institute Berlin
Submission date 17.10.2005
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Solutions provided to SNDlib:

objective contributor submission date additional information
145462.21 Roland Wessaely 10.11.2005 path-flow LP with column generation, B&C with metric inequalities, time ca. 20 minutes
128047.21 Christian Raack 06.11.2006 edge-flow formulation, CPLEX 10.0, time limit 1h
106779.40 Christian Raack 06.11.2006 edge-flow formulation, CPLEX 10.0 plus flow-cutset inequalities, time limit 1h
97359.84 Sebastian Orlowski 20.12.2005 taken from dfn-bwin--U-U-E-N-I-A-N-N
86897.79 Mats Petter Pettersson 24.05.2006 taken from dfn-bwin--U-U-E-N-S-A-N-N

statistics about all solutions

Dual bounds provided to SNDlib:

dual bound contributor submission date additional information
71169.25 Christian Raack 06.11.2006 edge-flow formulation, CPLEX 10.0, time limit 1h
64536.31 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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