Energy of Cartesian Product of graphs K_2 and G with self-loops
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Abstract
Let be the graph obtained from the simple graph G of order n , by attaching self-loops to
vertices. The energy of the graph
denoted by
is defined by
where are the eigenvalues of for
.
In this paper, we study the energy of the cartesian product of the complete graph and the undirected finite simple graph G with self-loops denoted by and we have
where are the eigenvalues of G for
.
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