1461 search results - page 25 / 293 » Complexity of Graph Covering Problems |
DAM
2008
13 years 7 months ago
2008
Given an edge- or vertex-weighted graph or digraph and a list of source-sink pairs, the minimum multicut problem consists in selecting a minimum weight set of edges or vertices wh...
DAM
2008
13 years 7 months ago
2008
We define a new set of functions called semi-monotone, a subclass of skew-supermodular functions. We show that the problem of augmenting a given graph to cover a symmetric semi-mo...
WG
2007
Springer
14 years 1 months ago
2007
Springer
Abstract. We present hardness results, approximation heuristics, and exact algorithms for bottleneck labeled optimization problems arising in the context of graph theory. This long...
ISAAC
2005
Springer
14 years 1 months ago
2005
Springer
In this paper, we deal with both the complexity and the approximability of the labeled perfect matching problem in bipartite graphs. Given a simple graph G = (V, E) with n vertices...
PODC
2005
ACM
14 years 1 months ago
2005
ACM
Many large-scale networks such as ad hoc and sensor networks, peer-to-peer networks, or the Internet have the property that the number of independent nodes does not grow arbitrari...