Dr.NareshKumar.S, Ms.Sushama.C, Dr.S.Delbin Prema and Dr.Shanmugam C (2025) “Spectral Bounds for the Signless Laplacian Matrix of Graphs: Laplacian Matrix, Upper bound along the i-th galactic Laplacian eigenvalue of a graph”, Utilitas Mathematica , 122(1), pp. 2972–2979. Available at: http://utilitasmathematica.com/index.php/Index/article/view/2608 (Accessed: 18 April 2026).