Document Type : Research Paper
Mathematics department, North-Eastern Hill University, Shillong, India
Department of Basic Sciences and Social Sciences, North Eastern Hill University, Shillong, India
Gutman recently introduced a new vertex-degree-based topological index called the Sombor index. In this paper, we present some new results relating the Sombor index and some well-studied topological indices: Zagreb indices, forgotten index, harmonic index, (general) sum-connectivity index and symmetric division deg index.