13 search results - page 3 / 3 » Tree edge decomposition with an application to minimum ultra... |
CATS
2006
13 years 6 months ago
2006
We study the problem of orienting the edges of a weighted graph such that the maximum weighted outdegree of vertices is minimized. This problem, which has applications in the guar...
APPROX
2010
Springer
13 years 6 months ago
2010
Springer
In this paper, we consider the checkpoint problem in which given an undirected graph G, a set of sourcedestinations {(s1, t1), (s1, t1), . . . , (sk, tk)} and a set of fixed paths...
WADS
2007
Springer
13 years 11 months ago
2007
Springer
A ball graph is an intersection graph of a set of balls with arbitrary radii. Given a real number t > 1, we say that a subgraph G′ of a graph G is a t-spanner of G, if for eve...