Algorithms and Computation: 25th International Symposium, by Hee-Kap Ahn, Chan-Su Shin PDF

By Hee-Kap Ahn, Chan-Su Shin

ISBN-10: 3319130749

ISBN-13: 9783319130743

ISBN-10: 3319130757

ISBN-13: 9783319130750

This booklet constitutes the refereed court cases of the twenty fifth overseas Symposium on Algorithms and Computation, ISAAC 2014, held in Jeonju, Korea, in December 2014.
The 60 revised complete papers provided including 2 invited talks have been conscientiously reviewed and chosen from 171 submissions for inclusion within the ebook. the point of interest of the quantity in at the following themes: computational geometry, combinatorial optimization, graph algorithms: enumeration, matching and task, facts constructions and algorithms, fixed-parameter tractable algorithms, scheduling algorithms, computational complexity, computational complexity, approximation algorithms, graph concept and algorithms, on-line and approximation algorithms, and community and scheduling algorithms.

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Extra info for Algorithms and Computation: 25th International Symposium, ISAAC 2014, Jeonju, Korea, December 15-17, 2014, Proceedings

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Maintaining visibility information of planar point sets with a moving viewpoint. Int. J. Comput. Geometry Appl. 17(4), 297–304 (2007) 14. : On the number of radial orderings of colored planar point sets. , Urrutia, J. ) EGC 2011. LNCS, vol. 7579, pp. 109–118. Springer, Heidelberg (2012) 15. : Realizing site permutations. In: CCCG. (2011) 16. : The complexity of simultaneous geometric graph embedding. ch Abstract. Given a set of sites in the plane, their order-k Voronoi diagram partitions the plane into regions such that all points within one region have the same k nearest sites.

Since there are O(|V |3 ) subsets of size 3 in V , the algorithm runs in polynomial time. Given a set V and for each v ∈ V a permutation of V \ {v}, we can decide in polynomial time whether this is a radial system corresponding to an actual order type. This is done by running the algorithm above until either an inconsistency is detected or an output is produced. If one of the chirotopes in the output has radial system U then the answer to the decision problem is yes, and no otherwise. Corollary 1.

For L1 and L∞ metrics, with O(n) time preprocessing, we can compute β(i, j) in constant time for any query i ≤ j. Our linear time algorithm follows immediately from Lemmas 13 and 14. References 1. : Geometric applications of a matrix-searching algorithm. Algorithmica 2, 195–208 (1987) 2. : Finding a minimum weight k-link path in graphs with concave monge property and applications. Discrete and Computational Geometry 12, 263–280 (1994) 3. : Minimum-cost coverage of point sets by disks. In: Proc.

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Algorithms and Computation: 25th International Symposium, ISAAC 2014, Jeonju, Korea, December 15-17, 2014, Proceedings by Hee-Kap Ahn, Chan-Su Shin

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