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A branch and cut algorithm for hub location problems with - download pdf or read online

By Labbe M.

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8, 146–164 (1975) 6. : OR-Library: distributing test problems by electronic mail. J. Oper. Res. Soc. 41, 1069–1072 (1990) 7. : Hub Location Problems. In: Facility Location: Applications and Theory, Z. W. ), Springer, 2002, pp. 373–407 8. : On the Significance of Solving Linear Programming Problems with Some Integer Variables. The Rand Corporation, document, 1958, p. 1486 9. : Valid Inequalities, Facets and Computational Results for the Capacitated Concentrator Location Problem. Department of Industrial Engineering and Operations Research, Columbia University, New York, NY 10027-6699, 1992 10.

The variables whose values are fixed to 0 or 1 during the preprocessing are removed from this formulation. We report the duality gap, the number of nodes in the branch and cut tree and the CPU time in Table 8. The duality gap is computed using the best upper bound found by any of the two methods. When the program stops because of the time limit or lack of memory then we report the final duality gap computed using the best upper bound of the corresponding method. 0. The biggest difference occurs for problem f t, 17, 20, 1.

PWS Publishing Company, 1997, pp. 144–191 13. : Geometric Algorithms and Combinatorial Optimization. Springer-Verlag, Berlin, 1988 14. : Cover Inequalities for 0-1 Linear Programs: Computation. INFORMS J. Comput. 10, 427–437 (1998) 15. : Facets of Regular 0-1 Polytopes. Math. Program. 8, 179–206 (1975) A branch and cut algorithm for hub location problems with single assignment 405 16. : The ABACUS system for branch-and-cut-and-price algorithms in integer programming and combinatorial optimization.

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A branch and cut algorithm for hub location problems with single assignment by Labbe M.


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