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Neighbourhood operators on Categories
(Stellenbosch : Stellenbosch University, 2013-03)ENGLISH ABSTRACT: While the notions of open and closed subsets in a topological space are dual to each other, they take on another meaning when points and complements are no longer available. Closure operators have ... -
Modelling the control of tsetse and African trypanosomiasis through application of insecticides on cattle in Southeastern Uganda
(Stellenbosch : Stellenbosch University, 2013-03)ENGLISH ABSTRACT: In Uganda, cattle are an important reservoir of Trypanosoma brucei rhodesiense, a parasite that causes human African trypanosomiasis or sleeping sickness. We developed mathematical models to examine the ... -
Modelling of non-Newtonian fluid flow through and over porous media with the inclusion of boundary effects
(Stellenbosch : Stellenbosch University, 2013-03)ENGLISH ABSTRACT: Different generalized Newtonian fluids (where the normal stresses were neglected) were considered in this study. Analytical expressions were derived for time independent, fully developed velocity profiles ... -
An analogue of the Andre-Oort conjecture for products of Drinfeld modular surfaces
(Stellenbosch : Stellenbosch University, 2013-03)ENGLISH ABSTRACT: This thesis deals with a function eld analog of the André-Oort conjecture. The (classical) André-Oort conjecture concerns the distribution of special points on Shimura varieties. In our case we consider ...
