Now showing items 1-10 of 12
Lie group analysis of exotic options.
Exotic options are derivatives which have features that makes them more complex than vanilla traded products. Thus, finding their fair value is not always an easy task. We look at a particular example of the exotic options ...
On Huppert Conjecture for some quasi-simple groups.
Abstract available in PDF file.
On free convection and heat transfer in a micropolar fluid flow past a moving semi-infinite plate.
In this dissertation we investigate free convective heat and mass transfer in micropolar fluid flow past a moving semi-infinite vertical porous plate in the presence of a magnetic field. The aim of this study was to use ...
On convection and flow in porous media with cross-diffusion.
In this thesis we studied convection and cross-diffusion effects in porous media. Fluid flow in different flow geometries was investigated and the equations for momentum, heat and mass transfer transformed into a system ...
Measurement and modelling of households' demand and access to basic water in relation to the rapidly increasing household numbers in South Africa.
Service delivery in post-apartheid South Africa has become a topical issue both in the academia and the political arena . The rise of social movements, the xenophobic tensions of May 2008 and protest actions could be ...
Continuous symmetries of difference equations.
We consider the study of symmetry analysis of difference equations. The original work done by Lie about a century ago is known to be one of the best methods of solving differential equations. Lie's theory of difference ...
Lie symmetries of junction conditions for radiating stars.
We consider shear-free radiating spherical stars in general relativity. In particular we study the junction condition relating the pressure to the heat flux at the boundary of the star. This is a nonlinear equation in ...
Aspects of distance measures in graphs.
In this thesis we investigate bounds on distance measures, namely, Steiner diameter and radius, in terms of other graph parameters. The thesis consists of four chapters. In Chapter 1, we define the most significant terms ...
Clifford-Fischer theory applied to certain groups associated with symplectic, unitary and Thompson groups.
The character table of a finite group is a very powerful tool to study the groups and to prove many results. Any finite group is either simple or has a normal subgroup and hence will be of extension type. The classification ...
Analysis of mixed convection in an air filled square cavity.
A steady state two-dimensional mixed convection problem in an air filled square unit cavity has been numerically investigated. Two different cases of heating are investigated and compared. In the first case, the bottom ...