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Divide-and-conquer in multidimensional space
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Source Annual ACM Symposium on Theory of Computing archive
Proceedings of the eighth annual ACM symposium on Theory of computing table of contents
Hershey, Pennsylvania, United States
Pages: 220 - 230  
Year of Publication: 1976
Authors
Sponsors
ACM: Association for Computing Machinery
SIGACT: ACM Special Interest Group on Algorithms and Computation Theory
Publisher
ACM  New York, NY, USA
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Downloads (6 Weeks): 20,   Downloads (12 Months): 100,   Citation Count: 22
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ABSTRACT

We investigate a divide-and-conquer technique in multidimensional space which decomposes a geometric problem on N points in k dimensions into two problems on N/2 points in k dimensions plus a single problem on N points in k−1 dimension. Special structure of the subproblems is exploited to obtain an algorithm for finding the two closest of N points in 0(N log N) time in any dimension. Related results are discussed, along with some conjectures and unsolved geometric problems.


REFERENCES

Note: OCR errors may be found in this Reference List extracted from the full text article. ACM has opted to expose the complete List rather than only correct and linked references.

 
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Bentley, J. L. and Friedman, J. Fast Algorithms for Constructing Minimal Spanning Trees in Coordinate Spaces. SLAC Technical Report.
 
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Blum, M., et al. "Time Bounds for Selection." JCSS 7 (1973), 448-461.
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Preparata, F. P. and Hong, S. J. Convex Hulls of Finite Planar and Spatial Sets of Points. Report R-682, Coordinated Science Laboratory, University of Illinois (April, 1975).
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Shamos, M. I. "Geometry and Statistics: Problems at the Interface." Proc. Symposium on Algorithms and Complexity, Carnegie-Mellon University. April, 1975.
 
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Shamos, M. I. "Problems in Computational Geometry." Unpublished manuscript.
 
9
Shamos, M. I. and Hoey, D. J. "Closest-Point Problems." Proc. 16th Annual Symposium on Foundations of Computer Science. October, 1975.
 
10
Strong, H. R. Private communication.

CITED BY  22

Collaborative Colleagues:
Jon Louis Bentley: colleagues
Michael Ian Shamos: colleagues