# History Of Zagreb Indices

**1 department of applied mathematics iran university of science and technology iust narmak tehran 16844 iran.**

**History of zagreb indices**.
The zagreb indices are found to have applications in qspr and qsar studies as well see e g.
Zagreb indices of line graphs and their connection with certain walks on graphs are discussed.
A story of zagreb indices graph n graph n vertices n edges g vertex edge.

In 1969 cornu ejols and pulleyblank used the constructure of. In 2012 li et al. So called zagreb co indices are briefly mentioned.

These two types of indices are closely related. Shaohui wang multiplicative zagreb indices of k trees. Since then the zagreb indices have been studied extensively due to their ease of calculation and their numerous applications in place of the existing chemical methods which needed more time and increased the costs.

2 school of information science and technology yunnan normal university kunming 650500. The following timeline outlines the consolidation through mergers and acquisitions among. Gave the upper bounds on zagreb indices of cactus graphs and lower bounds of cactus graph with at least one cycle.

Revisions to the index are carried out four times a year. The zagreb indices were introduced by gutman and trinajstic in 1972. University of sheffield uk july19 23 2010 s.

The relationships between the zagreb indices and some of the earliest molecular descriptors such as the platt index introduced in 1947 and gordon scantlebury index introduced in 1964 are presented. The k banhatti indices were introduced by kulli in 2016. N zagreb indices are included in a number of programs used for the routine computation of topological indices npolly ndragon ncerius ntam n dissim.