754 search results - page 20 / 151 » Exact Algorithms for the Vertex Separator Problem in Graphs |
ALGORITHMICA
2011
13 years 3 months ago
2011
Let G = (V, E, w) be a directed graph, where w : V → R is an arbitrary weight function defined on its vertices. The bottleneck weight, or the capacity, of a path is the smalles...
COCOA
2008
Springer
13 years 10 months ago
2008
Springer
Connected Vertex Cover Problem (CVC) is an NP-hard problem. The currently best known approximation algorithm for CVC has performance ration 2. This paper gives the first Polynomial...
MST
2010
13 years 6 months ago
2010
We initiate the first systematic study of the NP-hard Cluster Vertex Deletion (CVD) problem (unweighted and weighted) in terms of fixed-parameter algorithmics. In the unweighted...
JCO
1998
13 years 8 months ago
1998
Abstract. A Greedy Randomized Adaptive Search Procedure (GRASP) is a randomized heuristic that has produced high quality solutions for a wide range of combinatorial optimization pr...
ISAAC
2007
Springer
14 years 2 months ago
2007
Springer
The class of graphs where the size of a minimum vertex cover equals that of a maximum matching is known as K¨onig-Egerv´ary graphs. K¨onig-Egerv´ary graphs have been studied ex...