Browsing PHDDepartment of Mathematics by Title
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An analysis of international tourism demand for Kenya
(20140818)Tourism sector in Kenya plays an important role in the national economy and has been identified as one of the six priority sectors in vision 2030 meant to drive the economy to attain 10 percent economic growth. International ... 
Campaigns and Treatment on Alcohol Abuse in Kenya
(Kenyatta University, 2021)Alcoholism is a serious problem in Kenya today and many adults are addicted to alcohol. The harmful use of alcohol causes a large burden concerning diseases, social and economic problems to the society. Mass media campaigns ... 
Classical and Bayesian Approaches For the ZeroInflated Dynamic Categorical Panel Ordered Probit Model
(Kenyatta University, 2023)The Zero inflated ordered categorical data with time series structure are often a characteristic of behavioral research attributed to nonparticipation decision and zero consumption of substances such as drugs. The ... 
Cycle Indices, Subdegrees and Suborbital Graphs of PSL(2,Q) Acting on the Cosets of Some of its Subgroups
(Kenyatta University, 201601) 
Cycle Indices, Subdegrees and Suborbital Graphs of PSL(2,Q) Acting on the Cosets of Some of its Subgroups
(Kenyatta University, 201512) 
Heat and mass transfer past a semi  infinite vertical porous Plate in MHD flows in turbulent boundary layer
(2019)Turbulent flows in electrically conducting media (MHD) remains one of the last unresolved problems in engineering industry and classical physics, but has general importance for the evolution of astro and geophysical ... 
Implementation of a modified procesi algorithm to compute covariants of binary forms of up to degree five and their relations
(Kenyatta University, 201611)In his book (Procesi,C., 2007), Claudio Procesi suggested a new algorithm for computing covariants of binary forms under the action of SL(2;C), based on an iterative computations of covariants of the simpler group U+. ... 
Investigating Sedenion Extension Loops and Frames of General Hypercomplex Numbers
(20130321)A sequence of algebras over the field of real numbers can be constructed, each with twice the dimension of the previous one. The algebra constructed by doubling complex numbers is the 22  dimensional quaternions. Next ... 
Modelbased non parametric regression estimation of the finite population total under twostage cluster sampling
(20110721)A modelbased nonparametric regression estimator for the finite population total under twostage sampling is proposed. In stage one, a sample of clusters is obtained and in stage two, sub samples of elements within each ... 
Modeling HIV Aids Dynamics with Funding along the Northern Corridor Highway in Kenya
(Kenyatta university, 2023)For the past three and a half decades, HIV/AIDS has been a worldwide health problem. Because of its severe repercussions, it necessitates a significant financial commitment to stem its spread and prevent deathrelated ... 
Modelling Jiggers Infestation and Interventions in Humans: A Case Study of Murang'a County, Kenya
(Kenyatta University, 202006)Tungiasis is a parasitic skin disease caused by jiggers, also known as sandeas. The disease predominantly a ects impoverished populations living in SubSaharan Africa, the Caribbean and South America.In areas especially ... 
Numerical Analysis of the Thermophysical Properties of Hybrid Nanofluids for Industrial Use
(Kenyatta University, 2022)Hybrid nanofluids engineered using two or more different types of nanoparticles suspended in the base fluid have numerous industrial and engineering applications. The applications range from heat transfer (coolant) fluids ... 
A numerical investigation of turbulent natural convection in a 3d enclosure using kw SST model and piso method
(Kenyatta University, 201610) 
On the spectrum of the cesaro operator
(20120524)This thesis consists of four chapters. In chapter one, we determine the most general continuous linear functional f X, where X is any semiconservative BKspace with +) as its ... 
Phytochemical Analysis, AntiInflammatory Activity, Antioxidant Activity and Toxic Effects of Aqueous Root Extract of Launaea CORNUTA (Hochst. Ex Oliv. & Hiern.) Evans Kapanat Akimat (Bs.C)
(Kenyatta University, 2022)Antiinflammatory, antinociceptive and antioxidant drugs have alleviated the agony of millions of people, especially in the developing countries where management of inflammation remains a big challenge. Nonetheless, despite ... 
Quantile Autoregression and its application to Financial Risk Management and Portfolio Optimization
(20140901)Increasing globalization, complexity of capital markets and the expanding range of exotic financial instruments have made financial risk management difficult to evaluate. As a consequence, a rise in use of more sophisticated ... 
Ranks and subdegrees of the cyclic group, the dihedral group and the affine group and associated suborbital graphs
(Kenyatta University, 201511) 
Ranks and subdegrees of the symmetric groups sn acting on ordered relement subsets
(20120413)The action of the symmetric group S n on ordered subsets from the set X = { 1, 2, ... , n} is an aspect that seems to have received little attention for a long time. Most studies have focused on the action of S; on unordered ... 
Robust variance estimation for finite population sampling
(20120608)After a sample has been obtained the statistic of interest can be computed. The next step (and a ore formidable one) is the assessment of the accuracy (precision) of the resulting statistic. The most commonly used measure ... 
Simulating Pressure Distribution of a Horizontal Well in an oil Reservoir Subject to Single Edged and Bottom Constant Pressure
(Kenyatta University, 2022)In this study the pressure distribution in an oil reservoir with a horizontal well is investigated. A horizontal well with singleedged and constant bottom pressure is outlined. A reservoir bounded with two constant pressure ...