701 search results - page 2 / 141 » An Ant Algorithm for the Steiner Tree Problem in Graphs |
NETWORKS
2006
13 years 5 months ago
2006
Abstract. The Steiner tree problem is to find a shortest subgraph that spans a given set of vertices in a graph. This problem is known to be NP-hard and it is well known that a pol...
WADS
2007
Springer
13 years 11 months ago
2007
Springer
We present a polynomial-time approximation scheme (PTAS) for the Steiner tree problem with polygonal obstacles in the plane with running time O(n log2 n), where n denotes the numb...
SIAMCOMP
2008
13 years 5 months ago
2008
We consider a game-theoretical variant of the Steiner forest problem in which each player j, out of a set of k players, strives to connect his terminal pair (sj, tj) of vertices in...
FSTTCS
2003
Springer
13 years 10 months 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...
SODA
2003
ACM
13 years 6 months ago
2003
ACM
The natural relaxation for the Group Steiner Tree problem, as well as for its generalization, the Directed Steiner Tree problem, is a flow-based linear programming relaxation. We...