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Transforming asymmetric into symmetric traveling salesman problems. (English) Zbl 0529.90090

MSC:
90C35 Programming involving graphs or networks
90C10 Integer programming
68Q25 Analysis of algorithms and problem complexity
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[1] Balas, E.; Christofides, N., A restricted Lagrangean approach to the traveling salesman problem, Math. programming, 21, 19-46, (1981) · Zbl 0461.90068
[2] Bazaraa, M.S.; Goode, J.J., The traveling salesman problem: A duality approach, Math. programming, 13, 221-237, (1977) · Zbl 0377.90092
[3] Held, M.; Karp, R.M., The traveling-salesman problem and minimum spinning trees, Math. programming, 1, 6-26, (1971) · Zbl 0232.90038
[4] Karp, R.M., Reducibility among combinatorial problems, (), New York · Zbl 0366.68041
[5] Lin, S., Computer solutions of the traveling salesman problem, Bell syst. techn. J., 44, 2245-2269, (1965) · Zbl 0136.14705
[6] Volgenant, A.; Jonker, R., The symmetric traveling salesman problem and edge exchanges in minimal 1-trees, European J. oper. res., 12, 394-403, (1983) · Zbl 0496.90079
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