S. Pirzada

activity

20062026

most citedOn

α

-adjacency energy of graphs and Zagreb index

8 citations · 26 across the 29 of their papers we have counts for

collaborators

30 papers

math.CO2026

Graphs with ${P_{3}, P_{4}, P_{5}}$ -factors in terms of size and spectral radius

Zahoor Iqbal Bhat, S. Pirzada

Let $G$ be a connected graph of order $n$ . A ${P_{3}, P_{4}, P_{5}}$ -factor is a spanning subgraph $H$ of $G$ such that every component of $H$ is isomorphic to an element of $\{P_3,P_4,P…

math.CO2024

On the spectral redundancy of pineapple graphs

Pawan Kumar, S. Pirzada, Merajuddin +1

In this article, we explore the concept of spectral redundancy within the class of pineapple graphs, denoted as $P (α, β)$ . These graphs are constructed by attaching $β$ pe…

math.CO2024

On maximum spectral radius of ${H (3, 3), H (4, 3)}$ -free graphs

Amir Rehman, S. Pirzada

Let $G$ be a simple connected graph of size $m$ . Let $A$ be the adjacency matrix of $G$ and let $ρ (G)$ be the spectral radius of $G$ . A graph is said to be $H$ -free if it does not…

math.CO2023

Direct sum graph of the subspaces of a finite dimensional vector space over finite fields

Bilal A. Wani, Aaqib Altaf, S. Pirzada +1

In this paper, we introduce a new graph structure, called the $d i r ec t s u m g r a p h$ on a finite dimensional vector space. We investigate the connectivity, diameter and the completen…

math.CO2023

On the Estrada index of unicyclic and bicyclic signed graphs

Tahir Shamsher, S. Pirzada, Mushtaq A. Bhat

Let $Γ = (G, σ)$ be a signed graph of order $n$ with eigenvalues $μ_{1}, μ_{2}, \dots, μ_{n} .$ We define the Estrada index of a signed graph $Γ$ as $E E (Γ) = \sum_{i = 1}^{n} e^{μ_{i}}$ . We characteri…

math.CO2023

Spectra of s-neighbourhood corona of two signed graphs

Tahir Shamsher, Mir Riyaz ul Rashid, S. Pirzada

A signed graph $S = (G, σ)$ is a pair in which $G$ is an underlying graph and $σ$ is a function from the edge set to ${\pm 1}$ . For signed graphs $S_{1}$ and $S_{2}$ on $n_{1}$ and…

Graphs with {P3​,P4​,P5​}-factors in terms of size and spectral radius

On the spectral redundancy of pineapple graphs

On maximum spectral radius of {H(3,3), H(4,3)}-free graphs

Direct sum graph of the subspaces of a finite dimensional vector space over finite fields

On the Estrada index of unicyclic and bicyclic signed graphs

Spectra of s-neighbourhood corona of two signed graphs

Graphs with ${P_{3}, P_{4}, P_{5}}$ -factors in terms of size and spectral radius

On maximum spectral radius of ${H (3, 3), H (4, 3)}$ -free graphs