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A Characterization of Some Graphs with Metric Dimension Two by Behtoei, Ali; Davoodi, Akbar; Jannesari, Mohsen; Omoomi, Behnaz is a scholarly article available to read on EtoBox.

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A set W \subseteq V (G) is called a resolving set, if for each pair of distinct vertices u,v \in V (G) there exists t \in W such that d(u,t) \neq d(v,t), where d(x,y) is the distance between vertices x and y. The cardinality of a minimum resolving set for G is called the metric dimension of G and is denoted by dim_M(G). A k-tree is a chordal graph all of whose maximal cliques are the same size k + 1 and all of whose minimal clique separators are also all the same size k. A k-path is a k-tree with maximum degree 2k, where for each integer j, k \leq j < 2k, there exists a unique pair of vertices, u and v, such that deg(u) = deg(v) = j. In this paper, we prove that if G is a k-path, then dim_M(G) = k. Moreover, we provide a characterization of all 2-trees with metric dimension two.

Author

Behtoei, Ali; Davoodi, Akbar; Jannesari, Mohsen; Omoomi, Behnaz

Published

2015

Language

EN