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Browsing Articles by Author "Muhammad, A.Y."

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    A Continuous Time Mathematical Model for Retiring Lecturers in the Nigerian Universities: A Case Study, of Nasarawa State University, Keffi, Nigeria
    (Department of Mathematics, Nasarawa State University Keffi, 2012-01-03) Ndakwo, Husseini S.; Muhammad, A.Y.; Umar, M.A.
    In this .paper, an attempt vas made to formulate a continuous tunc Mathematical model dial will solve the problems'confronting Lecturers towards and during re them end Onnh, E.S. and Mser, M.D.(2003) Mathematical Association of Nigeria worked on the general Mathematical Model for retiring workers. 'The income of a Professor and. a. Graduate Assistant in a Nigerian University was used in-the numerical example.
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    Transport System Effects On. Cross Diffusion
    (Department of Mathematics, Nasarawa State University Keffi, 2013-01-06) Ndakwo, Husseini S.; Umar, Mallam Abdulkarim; Muhammad, A.Y.
    Cross diffusion is a phenomena in which a gradient in the concentration of one species induces a flux of another chemical species which was generally been neglected in the study of reaction-diffusion systems. We study the Turing bifurcation of two species reaction transport systems, where particle dispersal is governed by diffusion and cross diffusion, we performed linear stability apglysis to find tKc conditions for the Turing instability and compare results with the standard Turing conditions and we applied our results to'one model system, the Schnakenberg reaction Kinetics to see it effects on cross diffusion.