The Optimal Graph Whose Least Eigenvalue is Minimal among All Graphs via 1‐2 Adjacency Matrix

L Gul, G Ali, U Waheed, N Aamir - Journal of Mathematics, 2021 - Wiley Online Library
All graphs under consideration are finite, simple, connected, and undirected. Adjacency
matrix of a graph G is 0, 1 matrix A= aij= 02, if vi= vj or dvi, vj≥ 11., if dvi, vj=. Here in this …

[PDF][PDF] Research Article The Optimal Graph Whose Least Eigenvalue is Minimal among All Graphs via 1-2 Adjacency Matrix

L Gul, G Ali, U Waheed, N Aamir - 2021 - academia.edu
Let G (V, E) be a simple graph with vertex set V V (G) and edge set E E (G). Its order is|
V (G)|, denoted by n, and its size is| E (G)|, denoted by m. e distance between two vertices u …