95 citations · 322 across the 23 of their papers we have counts for
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On the Extremal Zagreb Indices of -Vertex Chemical Trees with Fixed Number of Segments or Branching Vertices
Sadia Noureen, Akbar Ali, Akhlaq Ahmad Bhatti
Let and be the classes of all -vertex chemical trees with segments and branching vertices, respectively, where $3\le k\le n-1…
On the Complementary Equienergetic Graphs
Akbar Ali, Suresh Elumalai, Toufik Mansour +1
Energy of a simple graph , denoted by , is the sum of the absolute values of the eigenvalues of . Two graphs with the same order and energy are called equiene…
Two Irregularity Measures Possessing High Discriminatory Ability
Akbar Ali, Tamás Réti
An -vertex graph whose degree set consists of exactly elements is called antiregular graph. Such type of graphs are usually considered opposite to the regular graphs. An i…
A Note on the Modified Albertson Index
Shumaila Yousaf, Akhlaq Ahmad Bhatti, Akbar Ali
The modified Albertson index, denoted by , of a graph is defined as , where , denote the degrees of…