Browsing School of Biological, Physical, Mathematics & Actuarial Sciences by Issue Date
Now showing items 21-40 of 47
-
A Valuation Model for a Defined Contribution Pension Scheme Assets using a Contingent Claim
(JOOUST, 2017)Investment of pension assets are normally held in consideration of a financial market of different asset types such as stocks, bonds with different maturities or various financial derivatives. In recent years, two ... -
On Complete Positively and Boundedness of Operators on Non- Unital C*- Algebras.
(JOOUST, 2017)Properties of completely positive and completely bounded operators are fundamental in understanding the applications of operator theory in other fields like quantum mechanics. Up to date the question as to whether com• ... -
Opportunities of Recreational Ecotourism in Water Resources within Beach Environments of Lake Victoria.
(JOOUST, 2017)Ecotourism, one of the world's biggest revenue generating industries world over, utilizes natural water resources as recreational destinations in most economies around the world. However, developing nations, ... -
Binomial Mixtures Based on Beta Prior Distributions and their Generalizations
(JOOUST, 2018)A mixed distribution can be obtained when two or more distributions are combined. The integral of the product of the mixture is determined for continuous case and for the discrete the sum of the product ... -
Influence of Strategic Drivers on Performance of Cultural Heritage Tourism in Western Kenya.
(JOOUST, 2018)The purpose of this study was to determine the influence of strategic drivers on performance of cultural heritage tourism in Western Kenya. The research objectives were: to analyze the influence of strategic ... -
Morphometric, Phytochemical Screening and Antimicrobial Activity of Senna didymobotrya (Fresen.) H.S. Irwin and Barneby
(JOOUST, 2018-10)Herbal medicines have been used for many years and still are in widespread use in developing countries while the developed countries are rapidly adopting them as complementary alternative medicine. Senna didymobotrya ... -
Mathematical Modeling of Airflow and Carbon Pollution by Vehicles on Roads with Ventilated Embankments
(JOOUST, 2019)Kenyan road transport currently accounts for about 78% of the total carbon emis¬sion in the country, a percentage that is lately and. steadily rising causing enormous scientific concern. Consequently, efficient road designs ... -
Lie Symmetry Analysis of Fourth Order NonLinear Harmonic Differential Equation
(JOOUST, 2019)Lie group theory is a very practical and handy mathematical approach and it can be used to obtain solutions to diverse problems in applied mathematics. It's rich, very interesting and in broad sense a topic of active ... -
Rotundity of Norms in Frechet Spaces
(JOOUST, 2019)The notion of rotundity of norms is a very interesting area of research in analysis. The question whether if a norm is Highly Rotund implies it is Midpoint Locally Uniformly Rotund or whether a Uniformly Ro¬tund norm in ... -
Characterization of Similarity Orbits of Invariant Subspaces of Norm-Attainable Operators.
(Jooust, 2019)Abstract The notion of similarity orbits(S(T)) of Hilbert space operators have been extensively investigated by many researchers such as Herrero, Fialkow and Had• win among others. Various ... -
On Compact Operators whose Norms are Eigenvalues
(JOOUST, 2019)The class of compact operators is fundamental in operato_Lllle~+Y.• Char-acterization of compact operators acting on different sp~ces has been fas-cinating to many Mathernaticians., Many properties such as bounded¬ness, ... -
Gender Role Differentials in Ecotourism Planning.
(JOOUST, 2019)Gender role overtime, has emerged to be of integral importance in environmental resource management for ecotourism planning amongst various stakeholders. However, there are few gender studies that have been ... -
Norm Estimates for Norm-Attainable Operators
(JOOUST, 2019)Hilbert space operators have been studied by several mathematicians over decades and various interesting results have been obtained. There are several classes of Hilbert space operators, for example, normal, ... -
Characterization of Essential Numerical Rangers and Davis-Wielandt Shells of Hilbert Space Operators.
(JOOUST, 2019)The study of the Davis- Wielandt shell forms a very important generaralization of the numerical range in functional analysis. Hiroshi Nakazito and Mao-Ting Chien studied the connections between the q-numericol ... -
Corporate Governance, Strategic Choices, Resource Availability and Performance of Universities in Kenya
(JOOUST, 2020)corporate governance remains a key area of strategic management and continues to attract tremendous attention from the academia and practitioners. A plethora of studies have exam med the relationship between ... -
Lie Symmetry Analysis of Nonlinear Fourth Order Evolution Equation
(JOOUST, 2020)Problems involving nonlinear partial differential equations arise in various fields of science for instance in propagation of shallow water waves, fluid physics. quantum mechanics. chemical kinematics and other related ... -
Orthogonality of Finite Rank Generalized Derivations
(JOOUST, 2020)Properties of derivations have been studied by various mathematicians for instance, norm, numerical range, spectrum, positivity among others. Range-kernel orthogonality is also a property for derivations implemented by ... -
Modeling of Credit Scoring Risks for Commercial Banks
(JOOUST, 2021)Credit Scoring is the use of decision models and their techniques that aid lenders in advancing consumer credit. These models assess credit worthiness of applicants for a loan by forecasting their probability of default ... -
Mathematical Modeling of 2d Heterogeneous Motor Vehicle Traffic Flow System
(JOOUST, 2021)Mathematical modeling of motor vehicle traffic flow systems and transportation processes taking into account of the dimensional properties of the roads, vehicle types, driver characteristics and flow properties leads to ... -
Characterization of Continuity and Convergence of Fredholm Operators Perturbed by Orthogonal Idempotents in Banach Spaces
(JOOUST, 2021)Fredholm operators have been studied by several researchers for decades whereby they developed a comprehensive theory for integral equations and integral operators. A lot of properties of Fredholm operators have been given ...