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Nearly linear time approximation schemes for Euclidean TSP and other geometric problems


Author(s) : Sanjeev Arora, 
Publisher : N/A
Publication Date : 1997
ISSN : N/A
Abstract : We present a randomized polynomial time approximation scheme for Euclidean TSP in! 2 that is substantially more efficient than our earlier scheme in [3] (and the scheme of Mitchell [40]). For any fixed c? 1 and any set of n nodes in the plane, the new scheme finds a (1 + 1 c)-approximation to the optimum traveling salesman tour in O(n(log n) O(c)) time. (Our earlier scheme ran in n O(c),