ALGORITHMICA
2007
13 years 4 months ago
2007
A tree t-spanner T in a graph G is a spanning tree of G such that the distance between every pair of vertices in T is at most t times their distance in G. The tree t-spanner proble...
SODA
2004
ACM
13 years 5 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...