219 search results - page 28 / 44 » A Better Approximation Ratio for the Vertex Cover Problem |
SODA
2012
ACM
11 years 10 months ago
2012
ACM
The Directed Steiner Tree (DST) problem is a cornerstone problem in network design. We focus on the generalization of the problem with higher connectivity requirements. The proble...
SWAT
2010
Springer
13 years 5 months ago
2010
Springer
We study the problem of minimizing the diameter of a graph by adding k shortcut edges, for speeding up communication in an existing network design. We develop constant-factor appro...
WAOA
2010
Springer
13 years 5 months ago
2010
Springer
Abstract. We consider the train delivery problem which is a generalization of the bin packing problem and is equivalent to a one dimensional version of the vehicle routing problem ...
SIAMCOMP
2000
13 years 7 months ago
2000
There are several results available in the literature dealing with efficient construction of t-spanners for a given set S of n points in Rd. t-spanners are Euclidean graphs in whic...
FSTTCS
2010
Springer
13 years 5 months ago
2010
Springer
ABSTRACT. Motivated by economic thought, a recent research agenda has suggested the algorithmic study of combinatorial optimization problems under functions which satisfy the prope...