The $A_{\alpha }$ spectral radius with given independence number $n-4$

Xichan Liu, Ligong Wang

Let $G$ be a graph with adjacency matrix $A(G)$ and degree diagonal matrix $D(G)$. In 2017, Nikiforov [Appl. Anal. Discrete Math., 11 (2017) 81--107] defined the matrix $A_α(G) =…