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Browsing RP-Department of Mathematics, Actuarial and Physical Sciences by Issue Date

Browsing RP-Department of Mathematics, Actuarial and Physical Sciences by Issue Date

Now showing items 1-20 of 68

A novel flavonoid and furoquinoline alkaloids from vepris glomerata and their antioxidant activity

Kiplimo, Joyce; Koorbanally, Neil; Islam, Shahidul (Natural product communications, 2011-04-26)
On markovian queuing models

Tonui, Benard C; Langat, Reuben C; Gichengo, Joel M (International journal of science and research, 2012)

The ultimate objective of the analysis of queuing systems is to understand the behaviour of their underlying process so that informed and intelligent decisions can be made by the management. The application of queuing ...
Units of Commutative Completely Primary Finite Rings of Characteristic pn

Oduor, Owino Maurice; Onyango, Ojiema Michael; Mmasi, Eliud (International Journ. of Algebra, 2013)

The characterization of the group of units of any commutative ring has not been done in general, and previous studies have restricted the classes of rings or groups under consideration. In this work, we deter mine the ...
On the regular elements of rings in which the product of any two zero divisions lies in the galois subring

Oduor, Owino M; Libendi, Omamo A; Musoga, Christopher (International Journal of Pure and Applied Mathematics, 2013-01-28)

Suppose R is a completely primary finite ring in which the product of any two zero divisors lies in the Galois (coefficient) subring. We construct R and find a generalized characterization of its regular elements.
An investigation of student’s attitude towards use of chatbot technology in Instruction: the case of Knowie in a selected high school

Bii, Patrick; Too, Jackson; Langat, Reuben (Education research, 2013-10)

A chatbot named Knowie was implemented on a platform based on the open source software Ubuntu, Python, JDK, and PyAIML. A class of students was then given an opportunity to ask questions of and chat with the bot on a ...
Investigating ATM System Accessibility for People with Visual Impairments

Omari, Okebiro Jared; Omariba, Bosire Zachary (IOSR Journal of Computer Engineering (IOSR-JCE), 2013-11)

The aim of this paper is to draw attention for the evaluation of the accessibility and usability of Automated Teller Machine (ATM) systems from the point of view of visually impaired persons. It suggests that there is ...
The Effect of Olea afrikana and Cassia didymobotrya and Aging Period, on the Level of Heavy Metal Residues in Fermented Milk A Case of Kabianga Division

Wangila, Phanice T; Tsimbiri, Pamella; Nyongesa, Peter (2014)

The harvesting of indigenous herbs and plants materials for use in form of ash as food additives by different communities dates back to 6000 BC. The present study gives findings on the aging period and use of ash from ...
Unit Groups of Some Classes of Power Four Radical Zero Commutative Completely Primary Finite Rings

Owino, Maurice O; Ojiema, Michael O (2014)

Let R be a completely primary finite ring and J be its Jacobson radical. A class of such rings in which J4 = (0), J3 = (0) has been constructed. Moreover, the structures of their groups of units have been determined ...
On Conjugacy And Order Structure Of Certain Classes Of Finite Groups

Osango E.O., Hesbon; Oduor, Owino Maurice (International Journal of Pure and Applied Mathematics, 2014)

The classification of finite groups still remains an open problem. The concept of conjugacy provides an insight on the structure of finite groups. It is an equivalence relation which provides a neat algebraic description ...
A Critical Look of USSD Technology Adoption and Benefits

Sigar, Kenneth Otula; Omari, Kebiro Jared (International Journal of Advanced Research in Computer Science, 2014-01)

This paper tries to explore benefits that the mobile Telephone users and telecommunication stakeholders can derive from an existing mobile technology called unstructured supplementary service data (USSD).Usage of Mobile ...
Determination of Selected Heavy Metals and Iron Concentration in Local Brews Consumed in Kericho and Bomet Counties in South Rift, Kenya

Wangila, Phanice T; Tsimbiri, Pamella; Nyongesa, Peter (2014-09)

Background: The concentrations of heavy metals namely; Cadmium, Lead, chromium, Zinc and (Cd, Cr and Pb) including Iron (Fe), were determined in traditionally fermented brews samples from Kericho and Bomet Counties in ...
Estimation of population total using model-based approach: a case of HIV/AIDS in Nakuru central district, Kenya

Langat, Reuben C; Tonui, Benard C; Lagat, Janet J (International journal of scientific & technology research, 2014-11-11)

: In this study we have explored an estimator for finite population total under the famous prediction approach. This approach has been compared with design-based approach using simple random sampling and stratified random ...
Intersection matrices associated with non trivial suborbit corresponding to the action of rank 3 groups on the set of unordered pairs

Chepkorir, Betty; Rotich, John K; Tonui, Benard C; Langat, Reuben C (Research gate, 2014-12-12)

In this paper we find intersection numbers and intersection matrices associated with each non trivial sub orbit corresponding to the action of rank 3 groups; The symmetric group S5,alternating group A5 and The dihedral ...
Physical parameters of tropical wetlands in Lake Victoria basin: a case study of kigwal/kimondi, nyando and nzoia wetlands

Mule, Shadrack; Nguta, Charles; Kamau, Geoffrey; Ongera, Gilbert; Wangila, Phanice; Kiplimo, Joyce; Chirchir, Denis (Environmental & analytical toxicology, 2015)

This study entailed the assessment of physical parameters of selected tropical wetlands within Lake Victoria Basin. The research study measured rainfall, flow rate, turbidity, and pH of Kigwal/Kimondi, Nyando and Nzoia ...
Greek parameters of nonlinear Black-Scholes equation

Kiptum, Purity J.; Esekon, Joseph E.; Oduor, Owino Maurice (International Journal of Mathematics and Soft Computing, 2015)

Derivatives are used in hedging European options against risks. The partial derivatives of the solution to either a variable or a parameter in the Black-Scholes model are called risk (Greek) parameters or simply the ...
On the Quotient Groups of Subgroups of the Unit Groups of a Class of Completely Primary Finite Rings

Oduor, Owino Maurice; Mmasi, Eliud; Ojiema, Michael (Pure Mathematical Sciences, 2015)

The study of completely primary finite rings has generated interest ing results in the structure theory of finite rings with identity. It has been shown that a finite ring can be classified by studying the structures of ...
On the Regular Elements of a Class of Commutative Completely Primary Finite Rings

Oduor, Owino Maurice; Musoga, Christopher (International Journal of Algebra, 2015)

In this paper, a class of completely primary finite rings of charac teristic p k has been constructed . The objective is to investigate the inverses of regular elements in the class of rings.
Retention efficiencies of halogenated and non-halogenated hydrocarbons in selected wetland ecosystem in Lake Victoria basin

Mule, Shadrack; Nguta, Charles; Kamau, Goeffrey; Ongera, Gilbert; Wangila, Phanice; Kiplimo, Joyce; Chirchir, Dennis (International Journal of Environment, 2015-05-05)

The determination of retention efficiencies of halogenated and non-halogenated hydrocarbon in selected wetland ecosystems in Lake Victoria basin was carried out. Qualitative and quantitative determination of the presence ...
On Generation of Measurable Covers for Measurable Sets Using Multiple Integral of Functions

Olwamba, Otanga L; Omukunda, Shem A; Owino, Maurice O (Science Signpost Publishing, 2015-08)

In this article, we formulate an n-dimensional structure of measurable covers for measurable sets. Properties such as monotonocity, countable additivity and σ-finiteness of the projective tensor product of vector measure ...
On the zero divisor graphs of galois rings

Oduor, Maurice O (African journal of pure and applied mathematics, 2015-08)

Psoriasis is a common chronic inflammatory skin disease that is differentiated by repeated occurrences of raised scaly and red skin plaques. It is generated through several applications of drugs, strains, physical wounds ...

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