Abstract

For the vertex v of graph G and the subset N⊆V(G) of the vertex set, let IN(v)={N∩NG[v]}. If, for all vertices v’s of G, IN(v)’s are distinct non-empty sets, then N is said to be an identifying code and we indicate it by i(G). A graph G is called identifiable, if distinct vertices of this graph have distinct closed neighboods. In the current work, we investigate some upper bounds for the identifying code of given graph products.

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