144 search results - page 20 / 29 » Improved Approximation Algorithms for Metric Max TSP |
AINA
2007
IEEE
14 years 1 months ago
2007
IEEE
The construction of multicast trees is complicated by the need to balance a number of important objectives, including: minimizing latencies, minimizing depth/hops, and bounding th...
WWW
2011
ACM
13 years 2 months ago
2011
ACM
In commerce search, the set of products returned by a search engine often forms the basis for all user interactions leading up to a potential transaction on the web. Such a set of...
STACS
2005
Springer
14 years 25 days ago
2005
Springer
Cycle covering is a well-studied problem in computer science. In this paper, we develop approximation algorithms for variants of cycle covering problems which bound the size and/o...
APPROX
2009
Springer
14 years 1 months ago
2009
Springer
We consider adding k shortcut edges (i.e. edges of small fixed length δ ≥ 0) to a graph so as to minimize the weighted average shortest path distance over all pairs of vertices...
MP
2006
13 years 7 months ago
2006
Given an undirected graph G = (V;E) and three speci ed terminal nodes t1;t2;t3, a 3-cut is a subset A of E such that no two terminals are in the same component of GnA. If a non-neg...