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Optimal cost-effectiveness analysis of a mathematical model of climate change induced by excessive emission of carbon dioxide

Achimugwu, Peter U.; Kinyanjui, Mathew N.; Malonza, David M. (2023-10-24)

The current crisis of global climate change and its consequences which are manifested in form of different environmental disasters is attributed to excessive emission and accumulation of greenhouse gases in the atmosphere, ...

Modeling the effects of insecticides resistance on malaria vector control in endemic regions of Kenya

Wairimu, Josephine; Chirove, Faraimunashe; Ronoh, Marilyn; Malonza, David M. (Elsevier, 2018-12)

We present a model to investigate the effects of vector resistance to control strategies. The model captures the development of resistance as well as loss of resistance in mosquitoes and how these affect the progress in ...

Modelling and optimal control of typhoid fever disease with cost-effective strategies

Tilahun, Getachew T.; Makinde, Oluwole D.; Malonza, David M. (2017)

We propose and analyze a compartmental nonlinear deterministic mathematical model for the typhoid fever outbreak and optimal control strategies in a community with varying population. The model is studied qualitatively ...

International perspectives on the acceptability of rangers shooting at suspected criminals inside protected and conserved areas in sub-Saharan Africa

Sibanda, Lovemore; Kulunge, Salum; Rono, Betty; Kimaili, David; Mutinhima, Yolanda; Mandoloma, Lessah; Sompeta, Steiner; Lyakurwa, Gasto; Dickman, Amy; Allred, Shorna; Tacey, Jessica; Madsen, Emily; Bhujle, Trisha; Hare, Darragh (Wiley, 2025)

Using military-type strategies and equipment to conserve wildlife, also known as militarized conservation, is highly contested. In sub-Saharan Africa (SSA), one acutely controversial aspect of militarized conservation is ...

Modelling and optimal control of pneumonia disease with cost-effective strategies

Tilahun, Getachew T.; Makinde, Oluwole D.; Malonza, David M. (Taylor and Francis, 2017-06-14)

We propose and analyse a nonlinear mathematical model for the transmission dynamics of pneumonia disease in a population of varying size. The deterministic compartmental model is studied using stability theory of differential ...

Non-local operator as a mathematical tool to improve the modeling of water pollution phenomena in environmental science: A spatio-temporal approach

Soh, Pasquini F.; Kinyanjui, Mathew; Malonza, David M.; Kiogora, Roy (Elsevier, 2025-06)

This paper aims to develop a fractional order mathematical model addressing water pollution dynamics. The model is designed to elucidate the effect of pollutants and propose effective strategies for mitigating their spread ...

Co-dynamics of pneumonia and typhoid fever diseases with cost effective optimal control analysis

Tilahun, Getachew T.; Makinde, Oluwole D.; Malonza, David M. (Elsevier, 2018-01-01)

In this paper, we propose and analyze a mathematical model for Pneumonia–Typhoid co-infection to examine their characteristic relationship due to preventive and treatments strategies. Firstly, we qualitatively analyzed the ...

An improved theory of asymptotic unfoldings

Murdock, James; Malonza, David M. (Elsevier, 2009-08-01)

An asymptotic unfolding of a dynamical system near a rest point is a system with additional parameters, such that every one-parameter deformation of the original system can be embedded in the unfolding preserving all ...

A mathematical model of the dynamics of coffee berry disease

Nyaberi, H. O.; Mutuku, W. N.; Malonza, David M.; Gachigua, G. W. (Wiley, 2023-09-27)

Coﬀee berry disease (CBD) is a fungal disease caused by Colletotrichum kahawae. CBD is a major constraint to coﬀee productionto Kenya and Africa at large. In this research paper, we formulate a mathematical model of the ...

The implications of HIV treatment on the HIV-malaria coinfection dynamics: A modeling perspective

Nyabadza, F.; Bekele, B. T.; Rúa, M. A.; Malonza, David M.; Chiduku, N.; Kgosimore, M. (Wiley, 2015-09-06)

Most hosts harbor multiple pathogens at the same time in disease epidemiology. Multiple pathogens have the potential for interaction resulting in negative impacts on host fitness or alterations in pathogen transmission ...

A model for childhood pneumonia dynamics

Ngari, Cyrus G.; Malonza, David M.; Muthuri, Grace G. (2014-06-04)

This paper presents a deterministic model for pneumonia transmission and uses the model to assess the potential impact of therapy. The model is based on the Susceptible-Infected-Treatment-Susceptible compartmental structure ...

Hybrid approximation of solutions of nonlinear operator equations and application to equation of hammerstein-type

Ofoedu, Eric U.; Malonza, David M. (Elsevier, 2011-03-01)

In this paper we study hybrid iterative scheme for finding a common element of set of solutions of generalized mixed equilibrium problem, set of common fixed points of finite family of weak relatively nonexpansive mapping ...

Application of Markov chain model to analysis and prediction of green gram price transitions in Kitui county, Kenya

Ndengele, Richard T.; Mutwiri, Robert M.; Odhiambo, Fredrick O. (Asian journal of probability and statistics, 2025-07-04)

This study investigated the stochastic price dynamics of green grams in Kitui County, Kenya, aiming to analyze and predict price movements using a Markov chain model. Employing monthly price data from January 2012 to ...

Testing the attractive appeal of desmodium infochemicals to key parasitoids of the vegetable integrated push–pull cropping system

Chidawanyika, Frank; Mutua, Bretor K.; Adan, Isack H.; Mutyambai, Daniel M. (Springer, 2025-07-04)

Biological control agents heavily rely on volatile cues for host location and can be an important component of managing pests through habitat management-based strategies that enhance trophic interactions. This study aimed ...

Usawiri wa wahusika wa kiume katika riwaya ya chozi la heri

Kiema, Agnes M.; Mutua, John; Ngesu, Sarah N. (2025-07-01)

Makala hii imechunguza, usawiri wa wahusika wa kume katika riwaya ya Chozi la Heri(2017). Katika ulimwengu wa riwaya ya Kiswahili na fasihi, imekuwa kama jambo la kawaida kuona watafiti wengi wakichunguza masuala ...

The link between agricultural pesticide use and rising cancer cases in Kenya

Kimatu, Josphert N.; Wangai, Laura N.; Njoroge, Wanjiku; Kimani, Kenny K.; Wairimu, Brian M.; Kamau, Lucy N. (Global research society publisher, 2025-06-23)

There is an alarming increase of cancer cases alongside an increased pesticide use in agriculture in Kenya. This has raised concerns about possible links between pesticide exposure and cancer incidences. This study ...

Almanac July 2025 – June 2026

South Eastern Kenya University (2025-07)

Emergency preparedness among nurses at Machakos level five hospital in Machakos County, Kenya

Muthiani, Alice N. (2021-06)

The approach to handling emergencies has not been efficient in the practice area, which could be due to deficient knowledge or lack of competence by the responders. This therefore leads to an increase in mortality, morbidity, ...

Educational subsidies and students’ participation rates in education in public secondary schools in Makueni County, Kenya

Musyimi, Charles (2025)

Governments around the world agree that, the ability to provide quality education for all and to respond to new priorities depends on the availability of adequate funding in education. Financing of education is the greatest ...

Effects of predation on aquaculture production in Kitui County

Kaindi, Eric M. (2025)

Recent developments in the agricultural field have led to the intensification of fish farming in Kenya. The value of fish in the modern-day diet has developed a market that has always been in short supply due to the high ...

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