367 search results - page 4 / 74 » Set connectivity problems in undirected graphs and the direc... |
FSTTCS
2003
Springer
14 years 17 days ago
2003
Springer
The Covering Steiner problem is a common generalization of the k-MST and Group Steiner problems. An instance of the Covering Steiner problem consists of an undirected graph with ed...
APPROX
2008
Springer
13 years 9 months ago
2008
Springer
In the Survivable Network Design Problem (SNDP) one seeks to find a minimum cost subgraph that satisfies prescribed node-connectivity requirements. We give a novel approximation r...
GECCO
2004
Springer
14 years 22 days ago
2004
Springer
In this paper, we consider a variation of the Euclidean Steiner Tree Problem in which the space underlying the set of nodes has a specified non-uniform cost structure. This proble...
SIAMDM
2008
13 years 7 months ago
2008
A well-known theorem of Nash-Williams and Tutte gives a necessary and sufficient condition for the existence of k edge-disjoint spanning trees in an undirected graph. A corollary o...
IPCO
2010
13 years 8 months ago
2010
In the Steiner Network problem we are given a graph with edge-costs and connectivity requirements between node pairs , . The goal is to find a minimum-cost subgraph of that contain...