On improving convex quadratic programming relaxation for the quadratic assignment problem

被引:2
作者
Xia, Yong [1 ]
Gharibi, Wajeb [2 ]
机构
[1] Beihang Univ, Sch Math & Syst Sci, State Key Lab Software Dev Environm, LMIB,Minist Educ, Beijing 100191, Peoples R China
[2] Jazan Univ, Coll Comp Sci & Informat Syst, Jazan 828226694, Saudi Arabia
基金
中国国家自然科学基金;
关键词
Quadratic assignment problem; Lower bound; Capacitated transportation problem; Quadratic programming;
D O I
10.1007/s10878-013-9655-3
中图分类号
TP39 [计算机的应用];
学科分类号
081203 ; 0835 ;
摘要
Relaxation techniques play a great role in solving the quadratic assignment problem, among which the convex quadratic programming bound (QPB) is competitive with existing bounds in the trade-off between cost and quality. In this article, we propose two new lower bounds based on QPB. The first dominates QPB at a high computational cost, which is shown equivalent to the recent second-order cone programming bound. The second is strictly tighter than QPB in most cases, while it is solved as easily as QPB.
引用
收藏
页码:647 / 667
页数:21
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