• Strongly Reciprocally (p,h)-Convex Functions And Some Inequalities 

  Jamil, Farah (School of Natural Sciences National University of Sciences and Technology, 2024-11-28)

  This thesis is a detailed study of convex functions, focusing on h-convex, p convex, and stronglyireciprocally (p,h)-convex functions of higheriorder cases.iThe mainiobjective ofithis research isito enhance both ...
• Shadow Cast by Black Holes under the Influence of Plasma and Shadow Geometry of Naked Singularities 

  Yasmin, Saira (School of Natural Sciences National University of Sciences and Technology, 2024-11-06)

  The investigation of black holes and naked singularity shadows has attracted much at tention in modern astrophysics research. The shadow of blackiholes in the presenceiof plasma and naked singularities will be computed ...
• Gravitational Lensing by a Dark Compact Object in Modified Gravity 

  Rehman, Nagina (National University of Science and Technology NUST H-12 Islamabad, 2024-12-17)

  This study investigates gravitational lensing in modified gravity theories, focusing on the lensing phenomenon in strong and weak gravitational fields. We derive the weak bending angle of light using modified gravity ...
• Shadow Cast by Black Holes under the Influence of Plasma and Shadow Geometry of Naked Singularities 

  Yasmin, Saira (School of Natural Sciences National University of Sciences and Technology, 2024-06-11)

  The investigation of black holes and naked singularity shadows has attracted much at tention in modern astrophysics research. The shadow of blackiholes in the presenceiof plasma and naked singularities will be computed ...
• A Longitudinal Case Study of Depression, Anxiety and Stress among Science Students at University Using DASS-21 

  Binte Mudassir, Hafiza Fasiha (School of Natural Sciences National University of Sciences and Technology, 2024-08-29)

  This thesis investigates the levels of depression, anxiety and stress among univer sity students at the School of Natural Sciences, National University of Sciences and Technology (SNS NUST) Islamabad, using the Depression ...
• Periodic Orbits of Test Particles in Spherically Symmetric Spacetimes 

  Shabbir, Oreeda (National University of Science and Technology NUST H-12 Islamabad, 2024-10-31)

  In this dissertation, weiinvestigate the periodic orbitsiof the massive particlesiaround three distinct spacetimes: Schwarzschild black hole, Fisher/Janis-Newman-Winicour (F/JNW) spacetime, and Modified Gravity (MOG) ...
• Mei Symmetries of Lagrangian of the Minkowski Spacetime 

  Mughal, Aqsa (School of Natural Sciences National University of Sciences and Technology H-12, Islamabad, Pakistan, 2024-10-21)

  This thesis explores Mei symmetries related to the Lagrangian of Minkowski space-time. The study begins by analyzing the criteria for Mei symmetries, followed by applying the Minkowski space-time Lagrangian to derive the ...
• Gravitational Lensing by Black Holes in General Relativity and R2 Gravity 

  Maryam, Shafia (School of Natural Sciences National University of Sciences and Technology, 2024-10-17)

  The phenomenon of gravitational lensing in both strong and weak deflection limits is discussed in this thesis. Solutions of Buchdahl’s ODE in R2 gravity are considered as spacetimes in this work. Weak deflection angle ...
• Earthquake Analysis of The Hindukush Range by Using Statistical Methods 

  Zaka, Aiman (School of Natural Sciences National University of Sciences and Technology, 2024-09-05)

  The Hindukush region is renowned for its high seismic activity, making it a crucial area for earthquake analysis. This research examines the earthquake data from 2008 to 2010 utilizing sophisticated statistical techniques. ...
• Early Detection of Diabetic Retinopathy using Machine Learning Classifiers 

  Maryam, Somia (School of Natural Sciences National University of Sciences and Technology, 2024-05-31)

  Diabetic Retinopathy (DR) is a serious complication of diabetes that can lead to blind ness if not detected early. Diabetes, along with diabetic retinopathy, is associated with causing harm to the eyes, characterized ...
• Chiral Nonlinear Schrödinger Equation in (1+2) dimensions and Simplest Equation Technique 

  Hafeez, Ahsan (School of Natural Sciences National University of Sciences and Technology, 2024-09-03)

  In this study, we employ two efficient analytical techniques the simplest equation ap proach and the tanh-coth method to investigate the (1+2) dimensional non-linear chiral Schrödinger equation. In condensed matter ...
• Analysis of fluid flows having MHD and thermal radiation impacts over a stretchable cylindrical pipe under the influence of suction and injection 

  Fatima, Ayman (School of Natural Sciences National University of Sciences and Technology, 2024-09-09)

  Engineers and scientists have recently shown considerable interest in studying the f luid flow and heat transfer around elongating cylinders either for Newtonian or non Newtonian fluids. The interest in this topic ...
• Four Step F-Stable Iterative Technique for Garcia-Falset Mapping with Improved Convergence and Various Applications 

  Begum, Shaista (School of Natural Sciences National University of Sciences and Technology, 2024-09-23)

  In thisothesis, Firstowe presentiainewoform of iterative technique. This new itera tiveostrategy forocontraction mappingooutperforms previousomethods suchoas Picard, Thakur etoal.,iand Asghar Rahimi and many more. We ...
• Outlier Detection in Gastrointestinal Tract Images using Machine Learning Algorithms 

  Qaisar, Rimsha (School of Natural Sciences National University of Sciences and Technology, 2024-09-05)

  This study explores the effectiveness of Convolutional Neural Networks (CNNs) and DenseNet models for binary and multi-class classification tasks using the Kvasir dataset, which consists of gastrointestinal tract images. ...
• Estimation of Health Indicator at Dis-aggregated Geographic Levels 

  Soomro, Iqra (School of Natural Sciences National University of Sciences and Technology, 2024-08-12)

  This study leverages data from the Demographic and Health Surveys (DHS) conducted in 2017-18 and 2019 to examine the utilization of antenatal care (ANC) services among women across various districts in Pakistan. The ...
• A Longitudinal Case Study of Depression, Anxiety and Stress among Science Students at University Using DASS-21 

  Binte Mudassir, Fasiha (School of Natural Sciences National University of Sciences and Technology, 2024-08-29)

  This thesis investigates the levels of depression, anxiety and stress among univer sity students at the School of Natural Sciences, National University of Sciences and Technology (SNS NUST) Islamabad, using the Depression ...
• Exact Solutions of the Einstein-Maxwell Field Equations in Paraboloidal Geometry Using Chaplygin Equation of State 

  Hafeez, Aqsa (National University of Science and Technology NUST H-12 Islamabad, 2024-09-05)

  This thesis investigates a charged anisotropic stellar model in paraboloidal geometry, using the Chaplygin equation of state. We develop a new solution to Einstein’s field equations that investigates the interaction of ...
• Heat and Fluid Flow in a Channel by Using the Finite Element Approach 

  Umm E Hani, Hafza (National University of Science and Technology NUST H-12 Islamabad, 2024-09-05)

  This thesis focuses on mixed convection fluid flow and heat transfer in a rectangular channel equipped with inlet and outlet ports. In the first analyses, the fluid flow and heat transfer is investigated in a channel ...
• ENTROPY PRODUCTION IN VISCOELASTIC FLUID FLOWS IN A ROTATING FRAME WITH HEAT DISSIPATION USING OPTIMAL HOMOTOPY ANALYSIS METHOD (OHAM) 

  Fakhar, Sana (School of Natural Sciences National University of Sciences and Technology, 2024-09-05)

  The exploration of rotational dynamics within fluid motion holds profound importance across diverse fields such as industrial chemical processes, advancements in food processing technologies, the optimization of ...
• Wavelet Method for the Solution of Caputo and Caputo-Hadamard Fractional Differential Equations 

  Hussain, Adab (School of Natural Sciences National University of Sciences and Technology, 2024-09-02)

  In this thesis, main objective to develop reliable and effective numerical methods for solving fractional differential equations. In this work wavelets play a key role in developing numerical methods for solving linear ...

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