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SODA
2012
ACM
225views Algorithms» more  SODA 2012»
11 years 10 months ago
Approximating rooted Steiner networks
The Directed Steiner Tree (DST) problem is a cornerstone problem in network design. We focus on the generalization of the problem with higher connectivity requirements. The proble...
Joseph Cheriyan, Bundit Laekhanukit, Guyslain Nave...
COR
2007
108views more  COR 2007»
13 years 7 months ago
New primal-dual algorithms for Steiner tree problems
We present new primal-dual algorithms for several network design problems. The problems considered are the generalized Steiner tree problem (GST), the directed Steiner tree proble...
Vardges Melkonian
IPL
2002
105views more  IPL 2002»
13 years 7 months ago
Steiner trees in uniformly quasi-bipartite graphs
The area of approximation algorithms for the Steiner tree problem in graphs has seen continuous progress over the last years. Currently the best approximation
Clemens Gröpl, Stefan Hougardy, Till Nierhoff...
ASPDAC
2005
ACM
73views Hardware» more  ASPDAC 2005»
14 years 1 months ago
An-OARSMan: obstacle-avoiding routing tree construction with good length performance
- Routing is one of the important steps in VLSI/ULSI physical design. The rectilinear Steiner minimum tree (RSMT) construction is an essential part of routing. Since macro cells, I...
Yu Hu, Tong Jing, Xianlong Hong, Zhe Feng 0002, Xi...
ASPDAC
2006
ACM
143views Hardware» more  ASPDAC 2006»
14 years 1 months ago
CDCTree: novel obstacle-avoiding routing tree construction based on current driven circuit model
Abstract— Routing tree construction is a fundamental problem in modern VLSI design. In this paper we propose CDCTree, an Obstacle-Avoiding Rectilinear Steiner Minimum Tree (OARSM...
Yiyu Shi, Tong Jing, Lei He, Zhe Feng 0002, Xianlo...