首页|On Integral Graphs which Belong to the Class(αKa,a,a ∪ βKb,b,b)
On Integral Graphs which Belong to the Class(αKa,a,a ∪ βKb,b,b)
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Let G be a simple graph and let (G) denote its complement.We say that G is integral if its spectrum consists entirely of integers.In this work we establish a characterization of integral graphs which belong to the class(αKa,a,a ∪ βKb,b,b),where mG denotes the m-fold union of the graph G.