982 search results - page 2 / 197 » Solving Steiner tree problems in graphs to optimality |
ICPADS
2007
IEEE
14 years 1 months ago
2007
IEEE
Given an undirected graph with weights associated with its edges, the Steiner tree problem consists of finding a minimum weight subtree spanning a given subset of (terminal) nodes...
ICALP
2009
Springer
14 years 8 months ago
2009
Springer
We improve the approximation ratios for two optimization problems in planar graphs. For node-weighted Steiner tree, a classical network-optimization problem, the best achievable ap...
CORR
2007
Springer
13 years 7 months ago
2007
Springer
The Steiner tree problem is a classical NP-hard optimization problem with a wide range of practical applications. In an instance of this problem, we are given an undirected graph ...
WADS
2007
Springer
14 years 1 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...
CORR
2011
Springer
13 years 2 months ago
2011
Springer
Abstract—This paper addresses combinatorial optimization schemes for solving the multicriteria Steiner tree problem for communication network topology design (e.g., wireless mesh...