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SOFSEM
2007
Springer
15 years 10 months ago
On Optimal Solutions for the Bottleneck Tower of Hanoi Problem
We study two aspects of a generalization of the Tower of Hanoi puzzle. In 1981, D. Wood suggested its variant, where a bigger disk may be placed higher than a smaller one if their ...
Yefim Dinitz, Shay Solomon
WG
2005
Springer
15 years 9 months ago
Approximation Algorithms for the Weighted Independent Set Problem
In unweighted case, approximation ratio for the independent set problem has been analyzed in terms of the graph parameters, such as the number of vertices, maximum degree, and aver...
Akihisa Kako, Takao Ono, Tomio Hirata, Magnú...
FSTTCS
2004
Springer
15 years 9 months ago
Genome Halving Problem Revisited
The Genome Halving Problem is motivated by the whole genome duplication events in molecular evolution that double the gene content of a genome and result in a perfect duplicated ge...
Max A. Alekseyev, Pavel A. Pevzner
PPSN
2004
Springer
15 years 9 months ago
An Improved Evaluation Function for the Bandwidth Minimization Problem
This paper introduces a new evaluation function, called δ, for the Bandwidth Minimization Problem for Graphs (BMPG). Compared with the classical β evaluation function used, our Î...
Eduardo Rodriguez-Tello, Jin-Kao Hao, Jose Torres-...
FSTTCS
2000
Springer
15 years 7 months ago
Coordinatized Kernels and Catalytic Reductions: An Improved FPT Algorithm for Max Leaf Spanning Tree and Other Problems
Abstract. We describe some new, simple and apparently general methods for designing FPT algorithms, and illustrate how these can be used to obtain a signi cantly improved FPT algor...
Michael R. Fellows, Catherine McCartin, Frances A....