Dominating number of distance two of corona products of graphs
نویسندگان
چکیده
منابع مشابه
Incidence dominating numbers of graphs
In this paper, the concept of incidence domination number of graphs is introduced and the incidence dominating set and the incidence domination number of some particular graphs such as paths, cycles, wheels, complete graphs and stars are studied.
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in this paper, the degree distance and the gutman index of the corona product of two graphs are determined. using the results obtained, the exact degree distance and gutman index of certain classes of graphs are computed.
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An upper bound for the domination number of the direct product of graphs is proved. It in particular implies that for any graphs G and H, γ(G × H) ≤ 3γ(G)γ(H). Graphs with arbitrarily large domination numbers are constructed for which this bound is attained. Concerning the upper domination number we prove that Γ(G × H) ≥ Γ(G)Γ(H), thus confirming a conjecture from [16]. Finally, for paired-domi...
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چکیده ندارد.
15 صفحه اولEquitable Coloring of Corona Products of Graphs
In many applications in sequencing and scheduling it is desirable to have an underlaying graph as equitably colored as possible. In this paper, we consider an equitable coloring of some corona products H G of two graphs G and H. In particular, we show that deciding the colorability of H G is NP-complete even if G is 4-regular and H is . 2 K Next, we prove exact values or upper bounds on the equ...
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ژورنال
عنوان ژورنال: Indonesian Journal of Combinatorics
سال: 2016
ISSN: 2541-2205
DOI: 10.19184/ijc.2016.1.1.5