115 search results - page 3 / 23 » Hardness and Approximation Results for Packing Steiner Trees |
109
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MFCS
2001
Springer
15 years 1 months ago
2001
Springer
We show that it is not possible to approximate the minimum Steiner tree problem within 1 + 1 162 unless RP = NP. The currently best known lower bound is 1 + 1 400. The reduction i...
STOC
2010
ACM
15 years 2 months ago
2010
ACM
The Steiner tree problem is one of the most fundamental ÆÈ-hard problems: given a weighted undirected graph and a subset of terminal nodes, find a minimum weight tree spanning ...
WEA
2005
Springer
15 years 2 months ago
2005
Springer
Abstract. We implement the approximation algorithm for the multicast congestion problem in communication networks in [14] based on the fast approximation algorithm for packing prob...
107
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FSTTCS
2003
Springer
15 years 2 months ago
2003
Springer
The Covering Steiner problem is a common generalization of the k-MST and Group Steiner problems. An instance of the Covering Steiner problem consists of an undirected graph with ed...
INFOCOM
2009
IEEE
15 years 4 months ago
2009
IEEE
—With the explosive deployment of “triple play” (voice, video and data services) over the same access network, guaranteeing a certain-level of survivability for the access ne...