Abstract
Let \(G=(V,E)\) be a simple graph without isolated vertices. For a positive integer \(k\), a subset \(D\) of \(V(G)\) is a \(k\)-distance paired-dominating set if each vertex in \(V\setminus {D}\) is within distance \(k\) of a vertex in \(D\) and the subgraph induced by \(D\) contains a perfect matching. In this paper, we give some upper bounds on the 2-distance paired-dominating number in terms of the minimum and maximum degree, girth, and order.
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Acknowledgments
Many thanks to the anonymous referees for their many helpful comments and suggestions, which have considerably improved the presentation of the paper. Partially supported by NNSFC (Nos. 10971114, 10990011, 11171097).
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Yu, K., Lu, M. 2-Distance paired-dominating number of graphs. J Comb Optim 28, 827–836 (2014). https://doi.org/10.1007/s10878-012-9584-6
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DOI: https://doi.org/10.1007/s10878-012-9584-6