Abstract
The metric dimension is quite a well-studied graph parameter. Recently, the local metric dimension and the adjacency dimension have been introduced and studied. In this paper, we give a general formula for the local metric dimension of the lexicographic product \(G \circ \mathcal {H}\) of a connected graph G of order n and a family \(\mathcal {H}\) composed of n graphs. We show that the local metric dimension of \(G \circ \mathcal {H}\) can be expressed in terms of the numbers of vertices in the true twin equivalence classes of G, and the local adjacency dimension of the graphs in \(\mathcal {H}\).
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Notes
Adjacency generators were called adjacency resolving sets in [16].
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Acknowledgements
This work has been partially supported by the Spanish Ministerio de Economía y Competitividad (MTM2016-78227-C2-1-P, TRA2013-48180-C3-P and TRA2015-71883-REDT).
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Communicated by Sanming Zhou.
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Barragán-Ramírez, G.A., Estrada-Moreno, A., Ramírez-Cruz, Y. et al. The Local Metric Dimension of the Lexicographic Product of Graphs. Bull. Malays. Math. Sci. Soc. 42, 2481–2496 (2019). https://doi.org/10.1007/s40840-018-0611-3
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DOI: https://doi.org/10.1007/s40840-018-0611-3