For a set S of n points in the plane, a Manhattan network on S is a geometric network G(S) such that, for each pair of points in S, G(S) contains a rectilinear path between them of length equal to their distance in the L 1-metric. The minimum Manhattan network problem is a problem of finding a Manhattan network of minimum length. Gudmundsson, Levcopoulos, and Narasimhan proposed a 4-approximation algorithm and conjectured that there is a 2-approximation algorithm for this problem. In this paper, based on a different approach, we improve their bound and present a 2-approximation algorithm. © Springer-Verlag Berlin Heidelberg 2002.
CITATION STYLE
Kato, R., Imai, K., & Asano, T. (2002). An improved algorithm for the minimum manhattan network problem. In Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) (Vol. 2518 LNCS, pp. 344–356). https://doi.org/10.1007/3-540-36136-7_31
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