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On Metric Dimension in Some Hex Derived Networks
Zehui Shao1, Pu Wu2, Enqiang Zhu3
1Institute of Computing Science and Technology, Guangzhou University, Guangzhou 510006, China. zshao@gzhu.edu.cn.
Abstract:
The concept of a metric dimension was proposed to model robot navigation where the places of navigating agents can change among nodes. The metric dimension m d ( G ) of a graph G is the smallest number k for which G contains a vertex set W, such that | W | = k and every pair of vertices of G possess different distances to at least one vertex in W. In this paper, we demonstrate that m d ( H D N 1 ( n ) ) = 4 for n ≥ 2 . This indicates that in these types of hex derived sensor networks, the least number of nodes needed for locating any other node is four.
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