On Extremal p-Energy of Bicyclic Digraphs
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The <i>p</i>-energy of a <i>k</i>-vertex digraph <i>D</i> is defined by Ep(D)=∑j=1k|R(λj)I(λj)|, where λ1,…,λk are eigenvalues of <i>D</i> and R(λj) and I(λj) are respectively real and imaginary parts of the eigenvalue λj. In the present paper, we consider a class of bicyclic digraphs such that each digraph in this class contains two vertex-disjoint directed cycles. We find digraphs in this class with extremal <i>p</i>-energy.
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Taylor & Francis创建时间：
2021-11-03
