Years and Authors of Summarized Original Work
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2001; Zhou, Shenoy, Nicholls
Problem Definition
Given a set of n points in a plane, a spanning tree is a set of edges that connects all the points and contains no cycles. When each edge is weighted using some distance metric of the incident points, the metric minimum spanning tree is a tree whose sum of edge weights is minimum. If the Euclidean distance (L2) is used, it is called the Euclidean minimum spanning tree; if the rectilinear distance (L1) is used, it is called the rectilinear minimum spanning tree.
Since the minimum spanning tree problem on a weighted graph is well studied, the usual approach for metric minimum spanning tree is to first define a weighted graph on the set of points and then to construct a spanning tree on it.
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Recommended Reading
McCreight EM (1985) Priority search trees. SIAM J Comput 14:257–276
Pugh W (1990) Skip lists: a probabilistic alternative to balanced trees. Commun ACM 33:668–676
Robins G, Salowe JS (1995) Low-degree minimum spanning tree. Discret Comput Geom 14:151–165
Zheng SQ, Lim JS, Iyengar SS (1996) Finding obstacle-avoiding shortest paths using implicit connection graphs. IEEE Trans Comput Aided Des 15:103–110
Zhou H, Shenoy N, Nicholls W (2001) Efficient minimum spanning tree construction without delaunay triangulation. In: Proceedings of Asian and South Pacific design automation conference, Yokohama
Zhou H, Shenoy N, Nicholls W (2002) Efficient spanning tree construction without delaunay triangulation. Inf Proc Lett 81:271–276
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Zhou, H. (2016). Rectilinear Spanning Tree. In: Kao, MY. (eds) Encyclopedia of Algorithms. Springer, New York, NY. https://doi.org/10.1007/978-1-4939-2864-4_336
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