4 search results - page 1 / 1 » Maintaining all-pairs approximate shortest paths under delet... |
77
Voted
SODA
2003
ACM
14 years 11 months ago
2003
ACM
We present a hierarchical scheme for efficiently maintaining all-pairs approximate shortest-paths in undirected unweighted graphs under deletions of edges. An α-approximate short...
99
Voted
STOC
2002
ACM
15 years 10 months ago
2002
ACM
We present improved algorithms for maintaining transitive closure and all-pairs shortest paths/distances in a digraph under deletion of edges. For the problem of transitive closur...
COMPGEOM
2004
ACM
15 years 3 months ago
2004
ACM
For a set S of points in Rd, an s-spanner is a graph on S such that any pair of points is connected via some path in the spanner whose total length is at most s times the Euclidea...
BMCBI
2008
14 years 10 months ago
2008
Background: Visualising the evolutionary history of a set of sequences is a challenge for molecular phylogenetics. One approach is to use undirected graphs, such as median network...