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- W2034220466 abstract "Given a graph G = (V, E), a subgraph S = (V, Es) is a t-spanner of G if for every edge xy ϵ E the distance between x and y in S is at most t. Spanners have applications in communication networks, distributed systems, parallel computation, and many other areas. This paper is concerned with the complexity of finding a minimum size t-spanner in a graph with bounded degree. A linear time algorithm is presented for finding a minimum-size 2-spanner in any graph whose maximum degree is at most four. The algorithm is based on a graph theoretical result concerning edge partition of a graph into a “triangle-free component” and “triangular-components.” On the other hand, it is shown that to determine whether a graph with maximum degree at most nine contains a t-spanner with at most K edges (K is given) is NP-complete for any fixed t ⩾ 2. © 1994 by John Wiley & Sons, Inc." @default.
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- W2034220466 date "1994-07-01" @default.
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- W2034220466 title "Spanners in graphs of bounded degree" @default.
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- W2034220466 doi "https://doi.org/10.1002/net.3230240406" @default.
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