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An analysis of the extended Christofides heuristic for the k-depot TSP
Xu, Zhou; Xu, Liang; Rodrigues, Brian - In: Operations research letters 39 (2011) 3, pp. 218-223
Persistent link: https://www.econbiz.de/10009160231
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A 3/2-approximation algorithm for the multiple TSP with a fixed number of depots
Xu, Zhou; Rodrigues, Brian - In: INFORMS journal on computing : JOC 27 (2015) 4, pp. 636-645
Persistent link: https://www.econbiz.de/10011422648
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An extension of the Christofides heuristic for the generalized multiple depot multiple traveling salesmen problem
Xu, Zhou; Rodrigues, Brian - In: European journal of operational research : EJOR 257 (2017) 3, pp. 735-745
Persistent link: https://www.econbiz.de/10011641115