SIAMCOMP
2010
13 years 6 months ago
2010
Abstract. In this paper we study variants of the non-preemptive parallel job scheduling problem where the number of machines is polynomially bounded in the number of jobs. For this...
CORR
2010
Springer
13 years 8 months ago
2010
Springer
In the oblivious buy-at-bulk network design problem in a graph, the task is to compute a fixed set of paths for every pair of source-destination in the graph, such that any set of ...
WDAG
2010
Springer
13 years 10 months ago
2010
Springer
Abstract. Since in general it is NP-hard to solve the minimum dominating set problem even approximatively, a lot of work has been dedicated to central and distributed approximation...
TCS
2010
13 years 10 months ago
2010
It is well known that the two simple algorithms for the classic bin packing problem, NF and WF both have an approximation ratio of 2. However, WF seems to be a more reasonable alg...
PPSN
2010
Springer
13 years 10 months ago
2010
Springer
The hypervolume indicator is widely used to guide the search and to evaluate the performance of evolutionary multi-objective optimization algorithms. It measures the volume of the ...
MOR
2010
13 years 10 months ago
2010
We consider the problem of locating a facility on a network, represented by a graph. A set of strategic agents have different ideal locations for the facility; the cost of an age...
JCSS
2010
13 years 10 months ago
2010
We present a simple randomized algorithmic framework for connected facility location problems. The basic idea is as follows: We run a black-box approximation algorithm for the unc...
JDA
2008
13 years 11 months ago
2008
Abstract. Genome rearrangement algorithms are powerful tools to analyze gene orders in molecular evolution. Analysis of genomes evolving by reversals and transpositions leads to a ...
ECCC
2000
13 years 11 months ago
2000
We analyze the addition of a simple local improvement step to various known randomized approximation algorithms. Let ' 0:87856 denote the best approximation ratio currently k...
DAM
2000
13 years 11 months ago
2000
Given an undirected graph with a nonnegative weight on each edge, the shortest total path length spanning tree problem is to