Some Topological Indices of Graphs and some Inequalities

نویسندگان
KHEZRI–MOGHADDAM, B. ID 1
MOGHARRAB, M. ID 2

1 Payame Noor University, Shiraz, Iran

2 Persian Gulf University, Bushehr, Iran

doi
10.22052/ijmc.2012.5220
چکیده

Let G be a graph. In this paper, we study the eccentric connectivity index, the new version of the second Zagreb index and the forth geometric–arithmetic index.. The basic properties of these novel graph descriptors and some inequalities for them are established.

کلیدواژه‌ها
topological index, Eccentric connectivity, Geometric–arithmetic, Zagreb index, Cauchy–Schwarz inequality