73 search results - page 8 / 15 » The Steiner Ratio for Obstacle-Avoiding Rectilinear Steiner ... |
102
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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 ...
SODA
2000
ACM
14 years 11 months ago
2000
ACM
The Steiner tree problem in weighted graphs seeks a minimum weight connected subgraph containing a given subset of the vertices terminals. We present a new polynomial-time heurist...
DAM
1999
14 years 9 months ago
1999
This paper deals with the problem of constructing Steiner trees of minimum weight with diameter bounded by d, spanning a given set of vertices in a graph. Exact solutions or logar...
103
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JUCS
2007
14 years 9 months ago
2007
: We give a tight analysis of an old and popular sweep-line heuristic for constructing a spanning tree of a set of n points in the plane. The algorithm sweeps a vertical line acros...
ICALP
2005
Springer
15 years 3 months ago
2005
Springer
We define an algorithmic paradigm, the stack model, that captures many primal-dual and local-ratio algorithms for approximating covering and packing problems. The stack model is ...