534 search results - page 32 / 107 » Tight approximation algorithm for connectivity augmentation ... |
COCOON
2008
Springer
13 years 9 months ago
2008
Springer
In this paper, we introduce the generalized capacitated tree-routing problem (GCTR), which is described as follows. Given a connected graph G = (V, E) with a sink s V and a set M...
JPDC
2007
13 years 7 months ago
2007
We study the problem of scheduling unit size jobs on n processors connected by a ring. We show a distributed algorithm for this problem with an approximation ratio of 3 2 + √ 2....
MFCS
2009
Springer
14 years 8 days ago
2009
Springer
We present a simple algorithm for the maximum spanning star forest problem. We take advantage of the fact that the problem is a special case of complementary set cover and we adapt...
STOC
2007
ACM
14 years 8 months ago
2007
ACM
We demonstrate an average-case problem that is as hard as finding (n)-approximate shortest vectors in certain n-dimensional lattices in the worst case, where (n) = O( log n). The...
SODA
2010
ACM
14 years 5 months ago
2010
ACM
The group Steiner problem is a classical network design problem where we are given a graph and a collection of groups of vertices, and want to build a min-cost subgraph that conne...