Two new research reports submitted

Two new research reports have been submitted for publication. They are also available from Optimization Online.

• D. Baena, J. Castro, A fix-and-relax heuristic for controlled tabular adjustment, Research Report DR 2013/02, Dept. of Statistics and Operations Research, Universitat Politècnica de Catalunya, 2013.
• J. Castro, S. Nasini, Exploiting total unimodularity for classes of random network problems, Research Report DR 2013/01, Dept. of Statistics and Operations Research, Universitat Politècnica de Catalunya, 2013.