Abstract
We present a counterexample to a lower bound for the power domination number given in Liao (J Comb Optim 31:725–742, 2016). We also define the power propagation time, using the power domination propagation ideas in Liao and the (zero forcing) propagation time in Hogben et al. (Discrete Appl Math 160:1994–2005, 2012).
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Ferrero, D., Hogben, L., Kenter, F.H.J. et al. Note on power propagation time and lower bounds for the power domination number. J Comb Optim 34, 736–741 (2017). https://doi.org/10.1007/s10878-016-0103-z
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DOI: https://doi.org/10.1007/s10878-016-0103-z