Abstract
The bondage number \(b(G)\) of a nonempty graph \(G\) is the smallest number of edges, removal of which from \(G\) results in a graph with domination number greater than that of \(G\). In this paper, we study the bondage number of Mycielski graphs. First, we present some properties of dominating sets and give sharp upper bounds for bondage numbers of Mycielski graphs. Second, we obtain a characterization of Mycielski graphs of trees bondage numbers of which are 1. Finally, we calculate the exact values for bondage numbers of Mycielski graphs underlying graphs of which are complete graphs, paths, cycles, complete \(t\)-partite graphs, etc.
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This research was supported by Basic Science Research Program through the National Research Foundation of Korea (NRF) funded by the Ministry of Education, Science, and Technology (2012R1A1A2005115). The first author was supported by NNSF of China (No. 11401004).
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Hu, FT., Sohn, M.Y. & Lee, J. Bondage Numbers of Mycielski Graphs. Bull. Malays. Math. Sci. Soc. 39 (Suppl 1), 229–245 (2016). https://doi.org/10.1007/s40840-015-0116-2
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DOI: https://doi.org/10.1007/s40840-015-0116-2