We describe an exact method to generate the nondominated set of the minimum spanning tree problem with at least two criteria. It is a separation and construction based method whose branching process is done with respect to edges belonging to at least two cycles of a given graph, inducing a step of constructing linear constraints that progressively break cycles while respecting the connectivity of the resulting graph. This has the effect of partitioning the initial graph into subgraphs, each of which corresponds to a discrete multi-objective linear program allowing to find the nondominated set of spanning trees. Randomly generated instances with more than two criteria are provided that show the efficiency of the method.
Accepté le :
DOI : 10.1051/ro/2016060
Mots-clés : Minimum spanning tree, integer linear programming, multiple objective linear optimization, combinatorial optimization, branch and bound method
@article{RO_2016__50_4-5_857_0, author = {Boumesbah, Asma and Chergui, Mohamed El-Amine}, title = {An exact method to generate all nondominated spanning trees}, journal = {RAIRO - Operations Research - Recherche Op\'erationnelle}, pages = {857--867}, publisher = {EDP-Sciences}, volume = {50}, number = {4-5}, year = {2016}, doi = {10.1051/ro/2016060}, zbl = {1358.90110}, mrnumber = {3570535}, language = {en}, url = {http://archive.numdam.org/articles/10.1051/ro/2016060/} }
TY - JOUR AU - Boumesbah, Asma AU - Chergui, Mohamed El-Amine TI - An exact method to generate all nondominated spanning trees JO - RAIRO - Operations Research - Recherche Opérationnelle PY - 2016 SP - 857 EP - 867 VL - 50 IS - 4-5 PB - EDP-Sciences UR - http://archive.numdam.org/articles/10.1051/ro/2016060/ DO - 10.1051/ro/2016060 LA - en ID - RO_2016__50_4-5_857_0 ER -
%0 Journal Article %A Boumesbah, Asma %A Chergui, Mohamed El-Amine %T An exact method to generate all nondominated spanning trees %J RAIRO - Operations Research - Recherche Opérationnelle %D 2016 %P 857-867 %V 50 %N 4-5 %I EDP-Sciences %U http://archive.numdam.org/articles/10.1051/ro/2016060/ %R 10.1051/ro/2016060 %G en %F RO_2016__50_4-5_857_0
Boumesbah, Asma; Chergui, Mohamed El-Amine. An exact method to generate all nondominated spanning trees. RAIRO - Operations Research - Recherche Opérationnelle, Special issue - Advanced Optimization Approaches and Modern OR-Applications, Tome 50 (2016) no. 4-5, pp. 857-867. doi : 10.1051/ro/2016060. http://archive.numdam.org/articles/10.1051/ro/2016060/
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