This is a preview. Log in through your library . Abstract A signed graph consists of a (simple) graph G = (V, E) together with a function σ : E {+; −} called signature. Matrices can be associated to ...
In this study, we aim to determine the unique tetracyclic graph that maximizes the signless Laplacian Estrada index (SLEE) among all tetracyclic graphs. The SLEE of a graph Ω is defined as the sum of ...
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