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Signed double Roman \(k\)-domination in graphs [PDF]

Australas. J Comb., 2018
Summary: Let \(G=(V,E)\) be a simple and finite graph with vertex set \(V(G)\), and let \(k\geq 1\) be an integer. A signed double Roman \(k\)-dominating function (SDR\(k\)DF) on a graph \(G\) is a function \(f:V(G)\rightarrow \{-1,1,2,3\}\) such that (i) every vertex \(v\) with \(f(v)=-1\) is adjacent to at least two vertices assigned with 2 or to at ...
Jafar Amjadi, Hong Yang, Sakineh Nazari-Moghaddam, Seyed Mahmoud Sheikholeslami, Zehui Shao   +4 more
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