73 search results - page 12 / 15 » The Steiner Ratio for Obstacle-Avoiding Rectilinear Steiner ... |
SODA
2008
ACM
14 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 ...
ICALP
2005
Springer
15 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...
ICALP
2010
Springer
15 years 2 months ago
2010
Springer
The general problem of robust optimization is this: one of several possible scenarios will appear tomorrow, but things are more expensive tomorrow than they are today. What should...
INFOCOM
2010
IEEE
14 years 8 months ago
2010
IEEE
Abstract—Wireless mesh networks are popular as a costeffective means to provide broadband connectivity to large user populations. A mesh network placement provides coverage, such...
APPROX
2004
Springer
15 years 3 months ago
2004
Springer
We consider a single-source network design problem from a game-theoretic perspective. Gupta, Kumar and Roughgarden (Proc. 35th Annual ACM STOC, pages 365–372, 2003) developed a ...