A. Bhatti

activity

20122023

f (R)

Gravity via Noether Symmetry

69 citations · 246 across the 16 of their papers we have counts for

collaborators

16 papers

math.CO2023

Harmonic-Arithmetic Index of (Molecular) Trees

Abeer M. Albalahi, Akbar Ali, Abdulaziz M. Alanazi +2

Let $G$ be a graph. Denote by $d_{x}$ , $E (G)$ , and $D (G)$ the degree of a vertex $x$ in $G$ , the set of edges of $G$ , and the degree set of $G$ , respectively. This paper proposes to…

math.CO2022★ 4 cited

On the Maximum Sigma Index of k-Cyclic Graphs

Akbar Ali, Abeer M. Albalahi, Abdulaziz M. Alanazi +2

Let $G$ be a graph with edge set $E (G)$ . Denote by $d_{w}$ the degree of a vertex $w$ of $G$ . The sigma index of $G$ is defined as $\sum_{uv \in E (G)} (d_{u} - d_{v})^{2}$ . A connected graph o…

math.CO2020★ 10 cited

Towards the Solution of an Extremal Problem Concerning the Wiener Polarity Index of Alkanes

Sadia Noureen, Akhlaq Ahmad Bhatti, Akbar Ali

The Wiener polarity index $W_{p}$ , one of the most studied molecular structure descriptors, was devised by the chemist Harold Wiener for predicting the boiling points of alkanes. The…

math.CO2019★ 5 cited

On the Extremal Zagreb Indices of $n$ -Vertex Chemical Trees with Fixed Number of Segments or Branching Vertices

Sadia Noureen, Akbar Ali, Akhlaq Ahmad Bhatti

Let $C T_{n, k}$ and $C T_{n, b}^{*}$ be the classes of all $n$ -vertex chemical trees with $k$ segments and $b$ branching vertices, respectively, where $3\le k\le n-1…

math.CO2019★ 1 cited

A Note on the Modified Albertson Index

Shumaila Yousaf, Akhlaq Ahmad Bhatti, Akbar Ali

The modified Albertson index, denoted by $A^{*}$ , of a graph $G$ is defined as $A^{*} (G) = \sum_{uv \in E (G)} ∣ (d_{u})^{2} - (d_{v})^{2} ∣$ , where $d_{u}$ , $d_{v}$ denote the degrees of…

math.CO2016★ 9 cited

Extremal Triangular Chain Graphs for Bond Incident Degree (BID) Indices

Akbar Ali, Akhlaq Ahmad Bhatti

A general expression for calculating the bond incident degree (BID) indices of certain triangular chain graphs is derived. The extremal triangular chain graphs with respect to seve…