103 search results - page 10 / 21 » On-line Generalized Steiner Problem |
HM
2007
Springer
14 years 1 months ago
2007
Springer
The connected facility location (ConFL) problem generalizes the facility location problem and the Steiner tree problem in graphs. Given a graph G = (V, E), a set of customers D ⊆...
APPROX
2000
Springer
13 years 12 months ago
2000
Springer
We consider a fault tolerant version of the metric facility location problem in which every city, j, is required to be connected to rj facilities. We give the first non-trivial ap...
ICALP
2005
Springer
14 years 1 months ago
2005
Springer
In this paper we initiate the study of the AND-OR directed feedback vertex set problem from the viewpoint of approximation algorithms. This AND-OR feedback vertex set problem is m...
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...
SODA
1992
ACM
13 years 8 months ago
1992
ACM
We show that the length of the minimum weight Steiner triangulation (MWST) of a point set can be approximated within a constant factor by a triangulation algorithm based on quadtr...