نتایج جستجو برای: independent number

تعداد نتایج: 1550070  

2014
J. S. Sathya S. Vimala

Let be a simple undirected fuzzy graph. A subset S of V is called a dominating set in G if every vertex in V-S is effectively adjacent to at least one vertex in S. A dominating set S of V is said to be a Independent dominating set if no two vertex in S is adjacent. The independent domination number of a fuzzy graph is denoted by (G) which is the smallest cardinality of a independent dominating ...

Journal: :Taiwanese Journal of Mathematics 2000

Journal: :Bulletin of The Iranian Mathematical Society 2021

A double Roman dominating function of a graph $G$ is $f:V(G)\rightarrow \{0,1,2,3\}$ having the property that for each vertex $v$ with $f(v)=0$, there exists $u\in N(v)$ $f(u)=3$, or are $u,w\in $f(u)=f(w)=2$, and if $f(v)=1$, then adjacent to assigned at least $2$ under $f$. The domination number $\gamma_{dR}(G)$ minimum weight $f(V(G))=\sum_{v\in V(G)}f(v)$ among all functions $G$. An outer i...

2013
Yunchao Wei Fuguang Chen Hongxian Zhu

In Graph Theory, independent number and, dominating number are three of the important parameters to measure the resilience of graphs, respectively denoted by ( ) G  and ( ) G  for a graph G . But predecessors have proved that computing them are very hard. So computing ( ) G  and ( ) G  of some particular known graphs is extremely valuable. In this paper, we determine ( ) G  and ( ) G  of ...

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