Abstract
Let \(\gamma _{t}(P_p\square C_q)\) and \(\gamma _{pr}(P_p\square C_q)\) be the total domination number and the paired domination number, respectively, of cylinders, that is, the Cartesian product of a path \(P_p\) and a cycle \(C_q\) for \(p\ge 2\) and \(q\ge 3\). Hu et al. (J Comb Optim 32(2):608–625, 2016) determined the exact values of \(\gamma _{t}(P_p\square C_q)\) and \(\gamma _{pr}(P_p\square C_q)\) for \(p\ge 2\) and \(q\in \{3,4\}\). In this paper, we compute their exact values for \(p\in \{2,3,4\}\) and \(q\ge 5\) and obtain the upper and the lower bounds for other values of p and q.
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Acknowledgements
I would like to thank Canada-ASEAN Scholarships and Educational Exchanges for Development (SEED) 2021-2022 provided with the support of Global Affairs Canada. This provided an excellent opportunity to me for doing research at the University of Victoria, Canada. I also wish to thank Kieka Mynhardt for her helpful comments and suggestions.
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Communicated by Ismael G. Yero.
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Eakawinrujee, P. Total and Paired Domination Numbers of Cylinders. Bull. Malays. Math. Sci. Soc. 45, 3321–3334 (2022). https://doi.org/10.1007/s40840-022-01382-1
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DOI: https://doi.org/10.1007/s40840-022-01382-1