6 search results - page 1 / 2 » Steiner trees in uniformly quasi-bipartite graphs |
WADS
2007
Springer
13 years 11 months ago
2007
Springer
We present a polynomial-time approximation scheme (PTAS) for the Steiner tree problem with polygonal obstacles in the plane with running time O(n log2 n), where n denotes the numb...
IPL
2002
13 years 4 months ago
2002
The area of approximation algorithms for the Steiner tree problem in graphs has seen continuous progress over the last years. Currently the best approximation
ESA
2008
Springer
13 years 6 months ago
2008
Springer
Abstract. We study two-stage robust variants of combinatorial optimization problems like Steiner tree, Steiner forest, and uncapacitated facility location. The robust optimization ...
INFOCOM
2010
IEEE
13 years 3 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...
SODA
2008
ACM
13 years 6 months ago
2008
ACM
In this paper, we study online algorithms when the input is not chosen adversarially, but consists of draws from some given probability distribution. While this model has been stu...