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IEICE TRANSACTIONS on Information

Inserting Points Uniformly at Every Instance

Sachio TERAMOTO, Tetsuo ASANO, Naoki KATOH, Benjamin DOERR

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Summary :

Arranging n points as uniformly as possible is a frequently occurring problem. It is equivalent to packing n equal and non-overlapping circles in a unit square. In this paper we generalize this problem in such a way that points are inserted one by one with uniformity preserved at every instance. Our criterion for uniformity is to minimize the gap ratio (which is the maximum gap over the minimum gap) at every point insertion. We present a linear time algorithm for finding an optimal n-point sequence with the maximum gap ratio bounded by in the 1-dimensional case. We describe how hard the same problem is for a point set in the plane and propose a local search heuristics for finding a good solution.

Publication
IEICE TRANSACTIONS on Information Vol.E89-D No.8 pp.2348-2356
Publication Date
2006/08/01
Publicized
Online ISSN
1745-1361
DOI
10.1093/ietisy/e89-d.8.2348
Type of Manuscript
Special Section INVITED PAPER (Special Section on Invited Papers from New Horizons in Computing)
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