Abstract
The maximum number of minimal dominating sets that a graph on n vertices can have is known to be at most 1.7159n. This upper bound might not be tight, since no examples of graphs with 1.5705n or more minimal dominating sets are known. For several classes of graphs, we substantially improve the upper bound on the maximum number of minimal dominating sets in graphs on n vertices. In some cases, we provide examples of graphs whose number of minimal dominating sets exactly matches the proved upper bound for that class, thereby showing that these bounds are tight. For all considered graph classes, the upper bound proofs are constructive and can easily be transformed into algorithms enumerating all minimal dominating sets of the input graph.
This work has been supported by the Research Council of Norway (SCOPE 197548/F20) and ANR Blanc AGAPE (ANR-09-BLAN-0159-03).
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Couturier, JF., Heggernes, P., van’t Hof, P., Kratsch, D. (2012). Minimal Dominating Sets in Graph Classes: Combinatorial Bounds and Enumeration. In: Bieliková, M., Friedrich, G., Gottlob, G., Katzenbeisser, S., Turán, G. (eds) SOFSEM 2012: Theory and Practice of Computer Science. SOFSEM 2012. Lecture Notes in Computer Science, vol 7147. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-27660-6_17
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DOI: https://doi.org/10.1007/978-3-642-27660-6_17
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