School Mathematics, Statistics and Computer Science
Sub-communities within this community
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Applied Mathematics [97]
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Computer Science [86]
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Pure Mathematics [36]
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Statistics [102]
Recent Submissions
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Statistical modelling and spatial mapping of crime in South Africa.
(2016)This research investigates factors related to crime rates for the 2013/2014 South African Crime Survey. The survey provides personal information and crime related experiences for all members of the 25 605 households that ... -
An analysis of approaches for developing national health information systems : a case study of two sub-Saharan African countries.
(2016)Health information systems in sub-Saharan African countries are currently characterized by significant fragmentation, duplication and limited interoperability. Incorporating these disparate systems into a coherent national ... -
Commissioning and characterisation of the C-Band All-Sky Survey Southern telescope.
(2015)Abstract available in PDF file. -
Gravitational lensing of the cosmic microwave background: techniques and applications.
(2016)We have entered an era of precision cosmology, in which the parameters of the standard cosmological model have been well constrained by observations. The cosmic microwave background (CMB) has played a vital role in ... -
Iterative algorithms for approximating solutions of variational inequality problems and monotone inclusion problems.
(2017)In this work, we introduce and study an iterative algorithm independent of the operator norm for approximating a common solution of split equality variational inequality prob- lem and split equality xed point problem. ... -
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Component-based ethnicity identification from facial images.
(2017)Abstract available in PDF file. -
On the performance of metaheuristics for the blood platelet production and inventory problem.
(2016)Abstract available in PDF file. -
Zero-inflated regression models with application to water quality data from Umgeni Water.
(2017)Abstract available in PDF file. -
An assessment of modified systematic sampling designs in the presence of linear trend.
(2017)Sampling is used to estimate population parameters, as it is usually impossible to study a whole population, due to time and budget restrictions. There are various sampling designs to address this issue and this thesis ... -
Scalar perturbations of Schwarzschild black holes in modified gravity.
(2017)This thesis is concerned with the physics related to scalar perturbations in the Schwarzschild geometry that arise in modifed gravity theories. It has already been shown that the gravitational waves emitted from a ... -
New class of LRS spacetimes with simultaneous rotation and spatial twist.
(2016)In this thesis we study Locally Rotationally Symmetric (LRS) spacetimes in which there exists a unique preferred spatial direction at each point. The conventional 1+3 decomposition of spacetime is extended to a 1+1+2 ... -
Time series analyses of microbiological counts associated with treated water quality data from Umgeni Water.
(2017)Abstract available in PDF file. -
On the sample consensus robust estimation paradigm: comprehensive survey and novel algorithms with applications.
(2016)This study begins with a comprehensive survey of existing variants of the Random Sample Consensus (RANSAC) algorithm. Then, five new ones are contributed. RANSAC, arguably the most popular robust estimation algorithm in ... -
Energy of graphs : the Eigen-complete difference ratio with its asymptotic domination and area aspects.
(2015)Abstract available in PDF file. -
Chebyshev spectral and pseudo-spectral methods in unbounded domains.
(2015)Chebyshev type spectral methods are widely used in numerical simulations of PDEs posed in unbounded domains. Such methods have a number of important computational advantages. In particular, they admit very efficient practical ... -
Leaf recognition for accurate plant classification.
(2017)Plants are the most important living organisms on our planet because they are sources of energy and protect our planet against global warming. Botanists were the first scientist to design techniques for plant species ... -
Searching for exoplanets using the transit method.
(2017)We present a study designed to detect transiting exoplanets in Kepler light curve data. We developed an exoplanet detection algorithm based on modelling transit light curves and fitting the models to light curve data ... -
Q-Cog: a Q-Learning based cognitive agent architecture for complex 3D virtual worlds.
(2017)Intelligent cognitive agents should be able to autonomously gather new knowledge and learn from their own experiences in order to adapt to a changing environment. 3D virtual worlds provide complex environments in which ... -
Hierarchical multiple linear regression : a comparative analysis of classical and Bayesian approach.
(2017)Low birth weight is a problem in Africa due to its contribution to high infant mortality. Most studies on low birth weight have neglected the use of Bayesian methods in analysis of medical data. This study aims to investigate ...
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