93 search results - page 4 / 19 » Sublinear-time approximation of Euclidean minimum spanning t... |
ICTAI
2006
IEEE
13 years 11 months ago
2006
IEEE
We propose two Euclidean minimum spanning tree based clustering algorithms — one a k-constrained, and the other an unconstrained algorithm. Our k-constrained clustering algorith...
SODA
2004
ACM
13 years 7 months ago
2004
ACM
Given a graph G and a spanning tree T of G, we say that T is a tree t-spanner of G if the distance between every pair of vertices in T is at most t times their distance in G. The p...
FOCS
1996
IEEE
13 years 10 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...
GECCO
2005
Springer
13 years 11 months ago
2005
Springer
Among the many codings of spanning trees for evolutionary search are those based on bijections between Pr¨ufer strings—strings of n−2 vertex labels—and spanning trees on th...
SODA
1998
ACM
13 years 7 months ago
1998
ACM
Given an undirected graph with nonnegative costs on the edges, the routing cost of any of its spanning trees is the sum over all pairs of vertices of the cost of the path between t...