Electronic Theses and Dissertations: Recent submissions

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Cohort study of adherence to adjuvant endocrine therapy, breast cancer recurrence and mortality

Makubate, Boikanyo; Donnan, Peter; Dewar, John; Thompson, Andrew; McCowan, Colin (British Journal of Cancer, 2013-03-21)

Background: Adjuvant endocrine therapy is recommended for women with oestrogen receptor-positive breast cancer, but many women do not take the medication as directed and they stop treatment before completing the standard ...
The Burr-Weibull Power Series Class of Distributions

Oluyede, Broderick; Mdlongwa, Precious; Makubate, Boikanyo; Huang, Shujiao (Austrian Journal of Statistics, 2019-01)

A new generalized class of distributions called the Burr-Weibull Power Series (BWPS) class of distributions is developed and explored. This class of distributions generalizes the Burr power series and Weibull power series ...
A New Class of Generalized Power Lindley Distribution with Applications to Lifetime DataApplications to Lifetime Data

Oluyede, Broderick; Yang, Tiantian; Makubate, Boikanyo (Asian Journal of Mathematics and Applications, 2016)

In this paper, a new class of generalized distribution called the Kumaraswamy Power Lindley (KPL) distribution is proposed and studied. This class of distributions con- tains the Kumaraswamy Lindley (KL), exponentiated ...
Correlating substance use disorder classifications from clinical assessments and brain-computer interface experiments using unsupervised machine learning

Tlotleng, Kaloso Mpho (Botswana International University of Science and Technology (BIUST), 2025-04)

This work presents two investigations of clustering human behaviors resulting from substance use which are interpreted from graphs created using unsupervised machine learning. These investigations involve two datasets ...
Magnetic drug targeting phenomena during non- Newtonian flow in the microvessel with time- Fractional derivative

Habtamu Bayissa, Yadeta (BIUST, 2025-06)

Cancer and cardiovascular disease are the leading causes of death worldwide incurring substantial medical costs and care and become a potential barrier to average life expectancy. Several treatment options available have ...
Design, control and cost analysis of an MPPT based dual-axis solar tracking system

Kamela, Gosego (Botswana International University of Science and Technology, 2024-10)

This study investigates the simulation, optimization and development of a solar tracking system aimed at enhancing photovoltaic solar energy capture. The optimization process is analysed from two perspectives: the control ...
The Gamma-Weibull-G Family of Distributions with Applications

Oluyede, Broderick; Pu, Shusen; Makubate, Boikanyo; Qiu, Yuqi (Austrian Journal of Statistics, 2018-02)

Weibull distribution and its extended families has been widely studied in lifetime ap- plications. Based on the Weibull-G family of distributions and the exponentiated Weibull distribution, we study in detail this new ...
Soil aggregate stability and organic carbon stocks as influenced by land use in the Pandamatenga alluvial Plains, Botswana

Ponyane, Patience (Botswana International University of Science and Technology, 2025-03)

Soil aggregate stability and organic carbon (OC) storage are key biogeochemical indicators of soil health, and their ability to function within an ecosystem includes providing sustainable and just media for the transformation ...
Geochemical characterization, potential health risk assessment and indigenous knowledge of geophagic soils of Botswana

Molale, T.L.K. (Botswana International University of Science and Technology, 2025-08)

Geophagy, the deliberate consumption of earth materials including soils, has been widely reported across the globe at different periods of human history. Although widely practiced in Botswana, especially among pregnant ...
Relativistic plane wave predictions of ( 𝒑⃗⃗,2𝒑⃗⃗ ) Polarization transfer observables on spherical nuclei

Mello, Tumisang (BIUST, 2025-01)

This study focuses on the application of the Relativistic Plane Wave Impulse Approximation (RPWIA) model for the predictions of (⃗p, 2⃗p ) polarization transfer observables and the unpo- larized triple differential cross ...
Security of quantum key distribution protocols: Towards practical realization

Sekga, Comfort (BIUST, 2024-10)

Quantum cryptography, or more specifically, quantum key distribution (QKD), guarantees information theoretical security-the Holy Grail of communication se- curity based on the principles of quantum physics. Since the ...
Modelling COVID-19 Pandemic in Southern African Region

Nyamajiwa, Violet Zivai (BIUST, 2024-10-23)

The global impact of COVID-19 incidence and mortality propelled world leaders under the guid- ance of the World Health Organization to agree on strategies and goals to reduce infections and mortality. The Southern African ...
A comprehensive study of tess maia star Tic 202431888

Kgwatalala, Lister Vivian (BIUST, 2024-10)

We present a detailed study of Maia type variable star, TIC 202431888 observed by the TESS satellite (Ricker et al., 2015) for the first time in literature. A new group of variable stars with late B or early A-type ...
Investigation of copper iodide thin films as a highly transparent p-type material for thermoelectric applications

Setlhare, Tlotlo Cassandra (Botswana International University of Botswana (BIUST), 2023)

Thermoelectricity has been on focus for many years, because the world is investing in renewable energy and need energy sources that are environmentally friendly. The aim of thermoelectric technology is to convert heat into ...
Semiconductor metal oxide – polymer composite superlattice-like thermoelectric devices

Mpolokang, Atlang Gild (Botswana International University of Science and Technology (BIUST), 2022-05)

The ultimate success in the drive towards a greener and sustainable global environment can only be achieved if a significant portion of the 70 % waste energy that is lost as heat from various industrial and commercial ...
Some new extensions and generalizations of lifetime distributions with applications

Tlhaloganyang, Bakang Percy (Botswana International University of Science and Technology (BIUST), 2023-08)

In this thesis, families and class of new and generalized distributions called exponentiated half logistic-Kumaraswamy-G (EHL-KUM-G) distribution, gamma odd Burr X-G (GOBX-G) distribution, Topp-Leone odd Burr X-G power ...
An inertial method for solutions of split equality inclusion problems

Thobogang, Omponye Tlamelo (Botswana International University of Botswana (BIUST), 2023-02)

The main objective of this Thesis is to introduce and study the Split Equality Inclusion Problem in the framework of real Hilbert spaces. In order to solve this problem, we propose an inertial method for approximating a ...
Development of new generalized families of distributions via multiple generators with applications

Sengweni, Whatmore (Botswana International University of Science and Technology (BIUST), 2023-08)

Complex real life phenomena requires robust statistical and mathematical tools that can capture and incorporate many statistical aspects of the processes or events under study with a high degree of accuracy and precision. ...
Exotic neutron star equations of state

Wazha, German (BIUST, 2022-08-17)

Neutron stars are dense stellar remnants formed out of the core collapse of giant stars in a supernovae. Due to the inferred extreme densities the neutron star interior is assumed to consist of dense nuclear matter, thus ...
Screening of selected edible wild fruits from the Tswapong region (Botswana) for their antioxidant and antimicrobial potential

Lashani, Keletso (Botswana International University of Science and Technology (BIUST), 2022-09)

In recent years, accumulating studies on traditional edible plants species have shown potential Pharmaceutical and health benefits including antioxidant, anticancer, anti-aging, antiatherosclerosis, antimicrobial and ...

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