103 search results - page 9 / 21 » Approximating rooted Steiner networks |
STOC
2003
ACM
14 years 10 months ago
2003
ACM
Given an undirected graph or an Eulerian directed graph G and a subset S of its vertices, we show how to determine the edge connectivity C of the vertices in S in time O(C3 n log ...
WINET
2008
13 years 10 months ago
2008
This paper addresses the following relay sensor placement problem: given the set of duty sensors in the plane and the upper bound of the transmission range, compute the minimum nu...
SODA
2008
ACM
13 years 11 months ago
2008
ACM
In this paper, we present two techniques to analyze greedy approximation with nonsubmodular functions restricted submodularity and shifted submodularity. As an application of the ...
WADS
2009
Springer
14 years 5 months ago
2009
Springer
Abstract. A central issue in the design of modern communication networks is the provision of Quality-of-Service (QoS) guarantees at the presence of heterogeneous users. For instanc...
ICALP
2005
Springer
14 years 3 months 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...