We propose Decentralized Benders Decomposition and Decentralized Dantzig–Wolfe Decomposition algorithms for large-scale block angular linear programming problems. Our methods allow multiple peer decision makers to cooperate with the aim of solving the problem without the need of a central coordination mechanism. Instead we achieve cooperation by partial information sharing across a strongly connected communication network. Our main goal is to design decentralized solution approaches for decision makers who are unwilling to disclose their local data, but want to solve the global problem collaboratively for mutual benefit. We prove that our proposed methods reach global optimality in a finite number of iterations. We confirm our theoretical results with computational experiments.
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DOI : 10.1051/ro/2019097
Mots-clés : Linear programming, decentralized coordination, peer-to-peer optimization, block angular structure
@article{RO_2020__54_6_1835_0,
author = {Aydin, M. Asli and Ta\c{s}kin, Z. Caner},
title = {Decentralized decomposition algorithms for peer-to-peer linear optimization},
journal = {RAIRO - Operations Research - Recherche Op\'erationnelle},
pages = {1835--1861},
publisher = {EDP-Sciences},
volume = {54},
number = {6},
year = {2020},
doi = {10.1051/ro/2019097},
mrnumber = {4150231},
language = {en},
url = {http://www.numdam.org/articles/10.1051/ro/2019097/}
}
TY - JOUR AU - Aydin, M. Asli AU - Taşkin, Z. Caner TI - Decentralized decomposition algorithms for peer-to-peer linear optimization JO - RAIRO - Operations Research - Recherche Opérationnelle PY - 2020 SP - 1835 EP - 1861 VL - 54 IS - 6 PB - EDP-Sciences UR - http://www.numdam.org/articles/10.1051/ro/2019097/ DO - 10.1051/ro/2019097 LA - en ID - RO_2020__54_6_1835_0 ER -
%0 Journal Article %A Aydin, M. Asli %A Taşkin, Z. Caner %T Decentralized decomposition algorithms for peer-to-peer linear optimization %J RAIRO - Operations Research - Recherche Opérationnelle %D 2020 %P 1835-1861 %V 54 %N 6 %I EDP-Sciences %U http://www.numdam.org/articles/10.1051/ro/2019097/ %R 10.1051/ro/2019097 %G en %F RO_2020__54_6_1835_0
Aydin, M. Asli; Taşkin, Z. Caner. Decentralized decomposition algorithms for peer-to-peer linear optimization. RAIRO - Operations Research - Recherche Opérationnelle, Tome 54 (2020) no. 6, pp. 1835-1861. doi : 10.1051/ro/2019097. http://www.numdam.org/articles/10.1051/ro/2019097/
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