65 search results - page 1 / 13 » An O(log k) approximation algorithm for the k minimum spanni... |
STOC
1994
ACM
13 years 9 months ago
1994
ACM
Givenn points in the Euclideanplane,we considerthe problemof findingthe minimumtree spanninganyk points.The problemis NP-hardand we givean O(logk)-approximationalgorithm. Key Words...
CCCG
2007
13 years 6 months ago
2007
In the minimum-cost k-hop spanning tree (k-hop MST) problem, we are given a set S of n points in a metric space, a positive small integer k and a root point r ∈ S. We are intere...
FOCS
1996
IEEE
13 years 9 months ago
1996
IEEE
In thispaper we give a 3-approximationalgorithmfor the problem ojJnding a minimum tree spanning any k-vertices in a graph. Our algorithm extends to a 3-approximationalgorithmfor t...
AAIM
2010
Springer
13 years 8 months ago
2010
Springer
Abstract. This paper considers a generalization of the capacitated spanning tree, in which some of the nodes have capacity K, and the others have capacity k < K. We prove that t...
CATS
1998
13 years 6 months ago
1998
Let G(V, E) be a weighted, undirected, connected simple graph with n vertices and m edges. The k most vital edge problem with respect to minimum spanning trees is to find a set S o...