CMMSE: A new approximation to the geometric-arithmetic index Articles uri icon

publication date

  • August 2018

start page

  • 1865

end page

  • 1883

issue

  • 7

volume

  • 56

International Standard Serial Number (ISSN)

  • 0259-9791

Electronic International Standard Serial Number (EISSN)

  • 1572-8897

abstract

  • The 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 inequalities involving the geometric-arithmetic index and characterize graphs extremal with respect to them.

keywords

  • Geometric-arithmetic index; Graph invariant; Vertex-degree-based graph invariant; Topological index