P Bhowal, D Nongsiang,
RK Nath - Bulletin of the Malaysian Mathematical …, 2022 - Springer
Let G be a group, and Sol (G)={x∈ G:⟨ x, y⟩ is solvable for all y∈ G}. We associate a graph
NS G (called the non-solvable graph of G) with G whose vertex set is G\Sol (G) and two …