On Maximum Signless Laplacian Estrada Indices of Graphs with Given Parameters

H. R. Ellahi, R. Nasiri, G. H. Fath-Tabar +1

Signless Laplacian Estrada index of a graph $G$, defined as $SLEE(G)={\sum }_{i=1}^n{e}^{q_i}$, where $q_1,q_2,\cdots ,q_n$ are the eigenvalues of the matrix $\mathbf{Q}(G)=\mathbf{…