Rodríguez García, José ManuelSigarreta Almira, José María2023-01-172023-01-172021-04Rodrígez, José M. & Sigarreta, José M.(2021). Optimal Upper Bounds of the Geometric–Arithmetic Index. MATCH Communications in Mathematical and in Computer Chemistry 85(2), 375-394.0340-6253https://match.pmf.kg.ac.rs/content85n2.htmhttps://hdl.handle.net/10016/36281The concept of geometric-arithmetic index was introduced in the chemical graph theory recently, but it has shown to be useful. The aim of this paper is to obtain new upper bounds of the geometric-arithmetic index and characterize graphs extremal with respect to them.20eng© match, 2021research articleMatemáticasopen access3752394MATCH Communications in Mathematical and in Computer Chemistry85AR/0000030819