PhD Theses
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This subcommunity has students PhD Theses of carefully selected research areas from Pure & Applied Mathematics, Petroleum Engineering, Computer Science, Theoretical Physics and Materials Science & Engineering, which are of great significance to solving past, present and anticipated Science & Technology issues even at a global level. They are collected from 20122022.
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Computer Science3
This collection contains theses of Computer Science students from 20162022. 
Materials Science and Engineering27
This collection contains the theses of Materials Science and Engineering Students from 20122022 
Petroleum Engineering5
This collection contains theses of Petroleum Engineering Students from 20162022 
Pure and Applied Mathematics10
This collection contains theses in Pure and Applied Mathematics from 20122022 
Theoretical Physics5
This collection contains theses of Theoretical Physics Students from 20162022
Recent Submissions

Algorithms For Approximation of JFixed Points of Nonexpansive  Type Maps, Zeros of Monotone Maps, Solutions of Feasibility and Variational Inequality Problems
(AUST, 20190705)It is well known that many physically significant problems in different areas of research can be transformed at equilibrium state into an inclusion problem of the form 0 ∈ Au, where A is either a multivalued accretive map ...

Approximation of Zeros of MAccretive Operators; Solutions to Variational Inequality and Generalized Split Feasibility Problems
(AUST, 20190606)In this thesis, the problem of solving the equation of the form Au = 0, (0.0.1) where A is a nonlinear map (either mapping a Banach space, E to itself or mapping E to its dual, E ∗ ), is considered. This problem is desirable ...

Biomass Valorization: Assessment and Characterization of Biomass Waste for Valuable Products.
(AUST and PAMI, 20220415)Research in the use of biomass residues has a huge interest as their potentials span a wide range of applications. Processed residues are useful as green energy such as biofuel (pellets and briquettes), animal feed, ...

Algorithms for approximation of JFixed Points of NonexpensiveType Maps, Zeros of Monotone Maps, Solutions of Feasibility and Variational Inequality Problems.
(AUST, 20190705)It is well known that many physically significant problems in different areas of research can be transformed at an equilibrium state into an inclusion problem of the form 0 ∈ Au, where A is either a multivalued accretive ...

Effects of Pressure, Bending and Annealing Temperature on the Mechanical and Optoelectronic Properties of Perovskite Solar Cells
(AUST, 20220105)The increasing needs for clean and sustainable energy stimulate the growing interest in photovoltaic (PV) technology using organicinorganic hybrid perovskite materials. However, perovskite solar cells (PSCs) are faced ...

New Frontiers for Solar Cells and Light Emitting Devices
(AUST, 20170205)Solar energy, with its abundance and availability, would ultimately replace dwindling fossil fuel reserves in this new era of cleaner and more efficient energy as the world surges on to new technologies and horizons. This ...

Iterative Algorithms for Split Equality Fixed Point Problems and Some NonLinear Problems in Banach Spaces With Applications
(AUST, 20190606)Let H1, H2, and H3 be real Hilbert spaces, T and S be nonlinear maps defined on H1 and H2, respectively, and with nonempty fixed point sets, F ix(T) and F ix(S), respectively, A and B be linear maps respectively mapping ...

Iterative Algorithms and Existence Theorems for Solutions of Nonlinear Equations in Banach Spaces.
(AUST, 20131105)Let E be a quniformly smooth real Banach space and D be a nonempty, open and convex subset of E. Assume that T : D → CB(D) is a multi valued continuous (with respect to the Hausdorff metric), bounded and pseudocontractive ...

Valorization of AgroWaste for Mechanical Properties’ Improvement of Lateritic Soil for Sustainable Construction
(AUST, 20200906)This study presents the results of a combined theoretical, experimental and statistical study of the mechanical performance of stabilized lateritic soil for sustainable construction applications. The lateritic soil was ...

Structure and Properties of Organic and Inorganic Composites Materials: From Organic Photovoltaic Cells to Aerospace Materials
(AUST, 20171115)Pressure and contacts in materials and systems play crucial roles in their performance and also their eventual failures. Pressure application closes voids, bridges gaps and improves transport across interfaces. In thin ...

Diffusion Kinetics for Drug Release and Food Preservation
(AUST, 20221005)This thesis presents silica nanoparticles for the controlled release of AMACRconjugated doxorubicin for the inhibition of prostate cancer cell growth. Inorganic MCM41 silica nanoparticles were synthesized, functionalized ...

Ceramic Water Filters for the Filtration of Bacteria and Chemical Contaminants
(AUST, 20220806)Of recent, individuals, community and government across the globe are embracing the ceramic water filters technology as a means of screening out chemicals and pathogens from water. This is to help reduce water related ...

Processing of Composite Carbon Materials and Solid Electrolytes for Supercapicitor Energy Storage
(AUST, 20220202)These research works presents the results of a combined theoretical, experimental and statistical study of processing of composite carbon materials and solid electrolytes for supercapacitor energy storage The need for ...

Optimization of NiobiumTantalum Recovery from Typical Rwanda and Nigerian ColumbiteTantalite Ores
(AUST, 20220904)Niobium and tantalum are transition metals with a refractory character and unique properties that make them highly indispensable to the hightechnologies and cleanenergy. The metals are normally extracted from minerals ...

Machine Learning Techniques for Malaria Incidence and Tuberculosis Prediction
(AUST, 20210702)This research proposes machine learning techniques to develop models that would facilitate decisionmaking in health informatics. It focuses on using efficient machine learning techniques to solve the pressing need in the ...

A Model Driven Engineering Framework for Healthcare Systems Management
(AUST, 20171205)Traditional mathematical methods such as differential equations formalism have been used for centuries as the main tools for analysis of complex systems in varied areas. As opposed to the general solutions provided by ...

Towards a Unifying Framework for Engineering Devs Distributions Simulation
(AUST, 20171210)Simulation engineering employs the use of simulation models, simulation environments, and simulation execution platforms in providing applicable Modeling and Simulation (M&S) solutions for studying complex systems. Discrete ...

Integrated Modelling and Optimization of Options for Developing Thin Oil Rim Reservoirs: Niger Delta Case Study
(AUST, 20200912)The goal of an oil field development project is to accelerate the hydrocarbon production and maximize recovery at the lowest cost. Optimizing the production of oil from thin oil rim reservoirs poses a major challenge in ...

Optimization of Fabrication Processes of Non Halide Pb Precursor Based Perovskite Solar Cells
(20210312)The organicinorganic halide perovskite solar cells have continued to attract serious research interest since the first introduction as solar light absorber by Miyasaka and coworkers with a power conversion efficiency ...

Upstream Petroleum Industry Performance Evaluation using Data Envelopment Analytic Approach
(20190623)Nigeria ranks among the top ten petroleum producers in the world with over eighty petroleum Investors in its upstream sector. This creates an enormous challenge for the upstream institutions’ managers especially in the ...