Discussiones Mathematicae Graph Theory 30(4) (2010)
563-574
DOI: https://doi.org/10.7151/dmgt.1514
PARTITIONING A GRAPH INTO A DOMINATING SET, A TOTAL DOMINATING SET, AND SOMETHING ELSE
Michael A. Henning
Department of Mathematics | Christian Löwenstein and Dieter Rautenbach
Institut für Mathematik |
Abstract
A recent result of Henning and Southey (A note on graphs with disjoint dominating and total dominating set, Ars Comb. 89 (2008), 159-162) implies that every connected graph of minimum degree at least three has a dominating set D and a total dominating set T which are disjoint. We show that the Petersen graph is the only such graph for which D∪T necessarily contains all vertices of the graph.Keywords: domination, total domination, domatic number, vertex partition, Petersen graph.
2010 Mathematics Subject Classification: 05C69.
References
[1] | N.J. Calkin and P. Dankelmann, The domatic number of regular graphs, Ars Combin. 73 (2004) 247-255. |
[2] | G.S. Domke, J.E. Dunbar and L.R. Markus, The inverse domination number of a graph, Ars Combin. 72 (2004) 149-160. |
[3] | U. Feige, M.M. Halldórsson, G. Kortsarz and A. Srinivasan, Approximating the domatic number, SIAM J. Comput. 32 (2002) 172-195, doi: 10.1137/S0097539700380754. |
[4] | C. Godsil and G. Royle, Algebraic Graph Theory (Springer, 2001). |
[5] | T.W. Haynes, S.T. Hedetniemi and P.J. Slater, Fundamentals of Domination in Graphs (Marcel Dekker, New York, 1998). |
[6] | T.W. Haynes, S.T. Hedetniemi and P.J. Slater (eds), Domination in graphs: Advanced topics (Marcel Dekker, New York, 1998). |
[7] | S.M. Hedetniemi, S.T. Hedetniemi, R.C. Laskar, L. Markus and P.J. Slater, Disjoint dominating sets in graphs, in: Proc. Internat. Conf. Discrete Math., ICDM 2006, 87-100, Ramanujan Math. Soc., Lecture Notes Series in Mathematics, 2008. |
[8] | M.A. Henning, C. Löwenstein and D. Rautenbach, Remarks about disjoint dominating sets, Discrete Math. 309 (2009) 6451-6458, doi: 10.1016/j.disc.2009.06.017. |
[9] | M.A. Henning and J. Southey, A note on graphs with disjoint dominating and total dominating sets, Ars Combin. 89 (2008) 159-162. |
[10] | M.A. Henning and J. Southey, A characterization of graphs with disjoint dominating and total dominating sets, Quaestiones Mathematicae 32 (2009) 119-129, doi: 10.2989/QM.2009.32.1.10.712. |
[11] | V.R. Kulli and S.C. Sigarkanti, Inverse domination in graphs, Nat. Acad. Sci. Lett. 14 (1991) 473-475. |
[12] | C. Löwenstein and D. Rautenbach, Pairs of disjoint dominating sets and the minimum degree of graphs, Graphs Combin. 26 (2010) 407-424, doi: 10.1007/s00373-010-0918-9. |
[13] | O. Ore, Theory of Graphs, Amer. Math. Soc. Transl. 38 (Amer. Math. Soc., Providence, RI, 1962) 206-212. |
[14] | B. Zelinka, Total domatic number and degrees of vertices of a graph, Math. Slovaca 39 (1989) 7-11. |
[15] | B. Zelinka, Domatic numbers of graphs and their variants: A survey, in: Domination in graphs: Advanced topics, T.W. Haynes et al. eds (Marcel Dekker, New York, 1998), 351-377. |
Received 18 July 2009
Revised 9 November 2009
Accepted 9 November 2009
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