On Sparse Spanners of Weighted Graphs - Computer Science ...
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On Sparse Spanners of Weighted Graphs - Computer Science ...
ihe Second Scandinavian Workshop on Algorithm Theory, Bergen, Norway, 1990, ..... chosen at any stage, T will ï¬nally contain at most 2- Weight(MST(G))(1/2t) âms .... Clearly, every simple 1-spanner requires all edges, but the star graph with.