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Spanning tree / NP-complete problems / Steiner tree problem / NP-hard problems / Quasi-bipartite graph / Minimum spanning tree / Rectilinear Steiner tree / Vertex cover / Matching / Graph theory / Theoretical computer science / Mathematics
Date: 1999-10-25 15:38:00
Spanning tree
NP-complete problems
Steiner tree problem
NP-hard problems
Quasi-bipartite graph
Minimum spanning tree
Rectilinear Steiner tree
Vertex cover
Matching
Graph theory
Theoretical computer science
Mathematics

Improved Steiner Tree Approximation in Graphs Gabriel Robinsy and Alexander Zelikovskyz y

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