Let G=(V, E) be a connected graph with positive weights and n vertices. A subgraph G is a t-spanner if for all u, v∈V , the distance between u and v in the subgraph G is at most t times the corresponding distance in G. We show a O(n log n)-time algorithm which, given a set V of n points in d-dimensional space, and any constant t>1, produces a t-spanner of the complete Euclidean graph of G. The produced spanner have O(n) edges, constant degree and weight O(wt(MST)).
CITATION STYLE
Gudmundsson, J., Levcopoulos, C., & Narasimhan, G. (2000). Improved Greedy Algorithms for Constructing Sparse Geometric Spanners (pp. 314–328). https://doi.org/10.1007/3-540-44985-x_28
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