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COLOGNETWENTE
2010
15 years 5 months ago
Complexity of O'Hara's Algorithm
In this paper we analyze O’Hara’s partition bijection. We present three type of results. First, we show that O’Hara’s bijection can be viewed geometrically as a certain sci...
Matjaz Konvalinka, Igor Pak
SWAT
1994
Springer
126views Algorithms» more  SWAT 1994»
15 years 10 months ago
Optimal Parametric Search on Graphs of Bounded Tree-Width
We give linear-time algorithms for a class of parametric search problems on weighted graphs of bounded tree-width. We also discuss the implications of our results to approximate p...
David Fernández-Baca, Giora Slutzki
FAW
2008
Springer
127views Algorithms» more  FAW 2008»
15 years 8 months ago
Visiting a Polygon on the Optimal Way to a Query Point
Abstract. We study a constrained version of the shortest path problem in polygonal domains, in which the path must visit a given target polygon. We provide an efficient algorithm f...
Ramtin Khosravi, Mohammad Ghodsi
TIT
2008
71views more  TIT 2008»
15 years 6 months ago
Quantization as Histogram Segmentation: Optimal Scalar Quantizer Design in Network Systems
Abstract--An algorithm for scalar quantizer design on discrete-alphabet sources is proposed. The proposed algorithm can be used to design fixed-rate and entropy-constrained convent...
Dan Muresan, Michelle Effros
ALGORITHMICA
2002
120views more  ALGORITHMICA 2002»
15 years 6 months ago
An Experimental Study of Algorithms for Weighted Completion Time Scheduling
We consider the total weighted completion time scheduling problem for parallel identical machines and precedence constraints, P jprecj PwiCi. This important and broad class of pro...
Ivan D. Baev, Waleed Meleis, Alexandre E. Eichenbe...