“...Let be a commutative ring. The total graph of is the undirected graph with vertex set and two...”
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“...Let R be a commutative ring. The total graph T Γ ( R ) of R is the undirected graph with vertex set...”
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“...(R)}. The nil-graph of ideals of R is defined as the simple undirected graph AGN(R) whose vertex set...”
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“... is the simple undirected graph with vertex set G in which two distinct vertices x and y are adjacent if and only...”
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