American Journal of Applied Mathematics

Archive

Volume 5, Issue 4, August 2017

  • Mathematical Modeling and Simulation Study for the Control and Transmission Dynamics of Measles

    Selam Nigusie Mitku, Purnachandra Rao Koya

    Issue: Volume 5, Issue 4, August 2017
    Pages: 99-107
    Received: 15 April 2017
    Accepted: 2 May 2017
    Published: 6 July 2017
    DOI: 10.11648/j.ajam.20170504.11
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    Abstract: In this paper, a five compartmental model has been considered and investigated the transmission dynamics of measles disease in the human populations. The only one infected compartment in the standard model has been split into two: Infected catarrh, and infected eruption. Measles is a deadly disease that is very common and contagious in the world. H... Show More
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  • Project Cost Overrun Management in Universities Using Partial Least Squares-Structural Equation Modelling

    Abam Ayeni Omini, Ogbonna Eric Nnamdi, Nsien Edwin, Nzeako Gladys

    Issue: Volume 5, Issue 4, August 2017
    Pages: 108-113
    Received: 9 May 2017
    Accepted: 2 June 2017
    Published: 13 July 2017
    DOI: 10.11648/j.ajam.20170504.12
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    Abstract: The construction industry is a very important sector of the Nigerian economy. It contributes significantly to the Gross National Product. Cost overrun is an integral part of the construction industry. It generates in projects financial loss to both contractors and owners (clients). It is an important parameter for success of any project that result... Show More
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  • Function as the Generator of Parametric T-norms

    Md. Shohel Babu, Shifat Ahmed

    Issue: Volume 5, Issue 4, August 2017
    Pages: 114-118
    Received: 23 May 2017
    Accepted: 21 June 2017
    Published: 24 July 2017
    DOI: 10.11648/j.ajam.20170504.13
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    Abstract: The method of constructing t-norms by generators consists in using a unary function (generator) to transform some known binary function (usually, addition or multiplication) into a T-norm. In order to allow using non-bijective generators, which do not have the inverse function, we have used the notion of pseudo-inverse function. Many families of re... Show More
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  • Oscillation Conditions for a Type of Second Order Neutral Differential Equations with Impulses

    Ubon Akpan Abasiekwere, Edwin Frank Nsien, Imoh Udo Moffat

    Issue: Volume 5, Issue 4, August 2017
    Pages: 119-123
    Received: 20 October 2016
    Accepted: 14 November 2016
    Published: 24 August 2017
    DOI: 10.11648/j.ajam.20170504.14
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    Abstract: In this paper, we study a certain type of second order linear neutral differential equation with constant impulsive jumps. This type of equation is known always to possess an unbounded non-oscillatory solution. The method and technique of impulse imposition used here is due to studies by Bainov and Simeonov [1]. By assuming, amongst other condition... Show More
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