Branching rules revisited

Please always quote using this URN: urn:nbn:de:0297-zib-7886
  • Mixed integer programs are commonly solved with linear programming based branch-and-bound algorithms. The success of the algorithm strongly depends on the strategy used to select the variable to branch on. We present a new generalization called {\sl reliability branching} of today's state-of-the-art {\sl strong branching} and {\sl pseudocost branching} strategies for linear programming based branch-and-bound algorithms. After reviewing commonly used branching strategies and performing extensive computational studies we compare different parameter settings and show the superiority of our proposed newstrategy.

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Metadaten
Author:Tobias Achterberg, Thorsten Koch, Alexander Martin
Document Type:ZIB-Report
Tag:Branch-and-Bound ; Mixed-integer-programming ; Pseudocost-Branching ; Reliability-Branching; Strong-Branching ; Variable selection
MSC-Classification:90-XX OPERATIONS RESEARCH, MATHEMATICAL PROGRAMMING / 90-08 Computational methods
Date of first Publication:2004/05/03
Series (Serial Number):ZIB-Report (04-13)
Published in:Appeared in : Operation Research Letters 33 (2005),pp. 42-54. DOI 10.1016/j.orl.2004.04.002

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