1461 search results - page 80 / 293 » Complexity of Graph Covering Problems |
APPROX
2010
Springer
13 years 9 months ago
2010
Springer
In this paper, we consider the checkpoint problem in which given an undirected graph G, a set of sourcedestinations {(s1, t1), (s1, t1), . . . , (sk, tk)} and a set of fixed paths...
CORR
2006
Springer
13 years 7 months ago
2006
Springer
In multi-criteria optimization, several objective functions are to be optimized. Since the different objective functions are usually in conflict with each other, one cannot conside...
CSR
2008
Springer
13 years 7 months ago
2008
Springer
Constraint satisfaction problems have enjoyed much attention since the early seventies, and in the last decade have become also a focus of attention amongst theoreticians. Graph c...
COR
2007
13 years 7 months ago
2007
We present new primal-dual algorithms for several network design problems. The problems considered are the generalized Steiner tree problem (GST), the directed Steiner tree proble...
APPROX
2004
Springer
14 years 1 months ago
2004
Springer
Given an undirected n-node graph and a set C of m cuts, the minimum crossing tree is a spanning tree which minimizes the maximum crossing of any cut in C, where the crossing of a c...