632 search results - page 39 / 127 » On the Approximability of the Steiner Tree Problem |
SODA
1998
ACM
13 years 10 months ago
1998
ACM
Given a planar graph on n nodes with costs weights on its edges, de ne the distance between nodes i and j as the length of the shortest path between i and j. Consider this as an i...
SODA
2004
ACM
13 years 10 months ago
2004
ACM
Given a graph G and a spanning tree T of G, we say that T is a tree t-spanner of G if the distance between every pair of vertices in T is at most t times their distance in G. The p...
ASPDAC
2006
ACM
14 years 2 months ago
2006
ACM
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...
ASPDAC
2005
ACM
14 years 2 months ago
2005
ACM
- 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...
DAM
2000
13 years 8 months ago
2000
Given an undirected graph with a nonnegative weight on each edge, the shortest total path length spanning tree problem is to