554 search results - page 7 / 111 » Approximation algorithms and hardness results for labeled co... |
APPROX
2000
Springer
13 years 12 months ago
2000
Springer
Given a graph (directed or undirected) with costs on the edges, and an integer k, we consider the problem of nding a k-node connected spanning subgraph of minimum cost. For the ge...
CORR
2008
Springer
13 years 7 months ago
2008
Springer
For an edge-weighted connected undirected graph, the minimum k-way cut problem is to find a subset of edges of minimum total weight whose removal separates the graph into k connect...
FSTTCS
2009
Springer
14 years 2 months ago
2009
Springer
In this paper, we initiate the study of designing approximation algorithms for FaultTolerant Group-Steiner (FTGS) problems. The motivation is to protect the well-studied group-Ste...
TON
2012
11 years 10 months ago
2012
—Society relies heavily on its networked physical infrastructure and information systems. Accurately assessing the vulnerability of these systems against disruptive events is vit...
WADS
2005
Springer
14 years 1 months ago
2005
Springer
Important generalizations of the Vertex Cover problem (Connected Vertex Cover, Capacitated Vertex Cover, and Maximum Partial Vertex Cover) have been intensively studied in terms of...