28 search results - page 4 / 6 » Lower bounds for the relative greedy algorithm for approxima... |
ICALP
2005
Springer
14 years 25 days ago
2005
Springer
Virtual Private Network Design is the following NP-hard problem. We are given a communication network, represented as a weighted graph with thresholds on the nodes which represent...
SODA
2001
ACM
13 years 8 months ago
2001
ACM
This paper relates the notion of fairness in online routing and load balancing to vector majorization as developed by Hardy, Littlewood, and Polya 9]. We de ne -supermajorization ...
ALGORITHMICA
1998
13 years 7 months ago
1998
The dominatingset problemin graphs asks for a minimumsize subset of vertices with the followingproperty: each vertex is required to either be in the dominating set, or adjacent to...
SODA
2010
ACM
14 years 4 months ago
2010
ACM
Consider the following problem: given a metric space, some of whose points are "clients," select a set of at most k facility locations to minimize the average distance f...
STACS
1999
Springer
13 years 11 months ago
1999
Springer
We present a new technique called balanced randomized tree splitting. It is useful in constructing unknown trees recursively. By applying it we obtain two new results on efficient ...