Abstract

Given a graph [Formula: see text] with vertex set [Formula: see text], we associate to it a [Formula: see text] path matrix whose [Formula: see text] entry represents the maximum number of vertex disjoint path with the length [Formula: see text] from [Formula: see text] to [Formula: see text] for [Formula: see text] and [Formula: see text] if [Formula: see text]. The eigenvalues of this matrix are called the path eigenvalues of the graph. In this note, we investigate [Formula: see text] path energy of some classes of graphs and several results concerning [Formula: see text] path energy has been obtained.

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