180 search results - page 7 / 36 » Minimum congestion spanning trees in planar graphs |
FOCS
1996
IEEE
13 years 11 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...
TALG
2008
13 years 7 months ago
2008
Given a Euclidean graph G over a set P of n points in the plane, we are interested in verifying whether G is a Euclidean minimum spanning tree (EMST) of P or G differs from it in ...
IPL
2006
13 years 7 months ago
2006
Let TS be the set of all crossing-free straight line spanning trees of a planar n-point set S. Consider the graph TS where two members T and T of TS are adjacent if T intersects T...
IFIP
2004
Springer
14 years 22 days ago
2004
Springer
We develop an external memory algorithm for computing minimum spanning trees. The algorithm is considerably simpler than previously known external memory algorithms for this proble...
ESA
2000
Springer
13 years 11 months ago
2000
Springer
Given a 2-node connected, undirected graph G = (V, E), with n nodes and m edges with real weights, and given a minimum spanning tree (MST) T = (V, ET ) of G, we study the problem o...