Let V be any set of n points in k-dimensional Euclidean space. A subgraph of the complete Euclidean graph is a t-spanner if for any u and v in V1 the length of the shortest path from uto v in the spanner is at most t times d(u, v). We show that for any δ>1, there exists a polynomial-time constructible t-spanner (where t is a constant that depends only on δ and k) with the following properties. Its maximum degree is 3, it has at most n · δ edges, and its total edge weight is comparable to the minimum spanning tree of V (for k ≤ 3 its weight isO(1) ωt(MST), and for k>3 its weight is O(log n) · ωt(MST)).
CITATION STYLE
Das, G., & Heffernan, P. J. (1993). Constructing degree-3 spanners with other sparseness properties. In Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) (Vol. 762 LNCS, pp. 11–20). Springer Verlag. https://doi.org/10.1007/3-540-57568-5_230
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