237 search results - page 22 / 48 » Approximation Algorithms for Minimum Tree Partition |
STOC
2003
ACM
14 years 9 months ago
2003
ACM
We present a new bicriteria approximation algorithm for the degree-bounded minimum-cost spanning tree problem: Given an undirected graph with nonnegative edge weights and degree b...
IPPS
2005
IEEE
14 years 2 months ago
2005
IEEE
: A fundamental problem in communication networks is wavelength assignment (WA): given a set of routing paths on a network, assign a wavelength to each path such that the paths wit...
FOCS
2008
IEEE
14 years 3 months ago
2008
IEEE
Given a complete undirected graph, a cost function on edges and a degree bound B, the degree bounded network design problem is to find a minimum cost simple subgraph with maximum...
ESA
2005
Springer
14 years 2 months ago
2005
Springer
This paper investigates, for the first time in the literature, the approximation of min-max (regret) versions of classical problems like shortest path, minimum spanning tree, and ...
WAOA
2005
Springer
14 years 2 months ago
2005
Springer
Let T = (V, E) be an undirected tree, in which each edge is associated with a non-negative cost, and let {s1, t1}, . . . , {sk, tk} be a collection of k distinct pairs of vertices...