Probabilistic analysis of the held and Karp lower bound for the euclidean traveling salesman problem
Mathematics of Operations Research
Polynomial time approximation schemes for Euclidean traveling salesman and other geometric problems
Journal of the ACM (JACM)
Asymptotic experimental analysis for the Held-Karp traveling salesman bound
Proceedings of the seventh annual ACM-SIAM symposium on Discrete algorithms
Probabilistic analysis for a multiple depot vehicle routing problem
Random Structures & Algorithms - Proceedings from the 12th International Conference “Random Structures and Algorithms”, August1-5, 2005, Poznan, Poland
Fast minimum-weight double-tree shortcutting for metric TSP: Is the best one good enough?
Journal of Experimental Algorithmics (JEA)
Traveling salesman problem under categorization
Operations Research Letters
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Christofides' algorithm is a well known approximation algorithm for the metric travelling salesman problem. As a first step towards obtaining an average case analysis of Christofides' algorithm, we provide a probabilistic analysis for the stochastic version of the algorithm for the Euclidean traveling salesman problem, where the input consists of n randomly chosen points in [0,1]d. Our main result provides bounds for the length of the computed tour that hold almost surely. We also provide an experimental evaluation of Christofides's algorithm.