Pure and Applied Mathematics Journal

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Volume 10, Issue 3, June 2021

  • Higher-Order Numerical Method for Singularly Perturbed Delay Reaction-Diffusion Problems

    Gemechis File Duressa, Tesfaye Aga Bullo

    Issue: Volume 10, Issue 3, June 2021
    Pages: 68-76
    Received: 18 May 2021
    Accepted: 2 July 2021
    Published: 9 July 2021
    DOI: 10.11648/j.pamj.20211003.11
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    Abstract: In this paper, a higher-order numerical method is presented for solving the singularly perturbed delay differential equations. Such kind of equations have a delay parameter on reaction term and exhibits twin boundary layers or oscillatory behavior. Recently, different numerical methods have been developed to solve the singularly perturbed delay rea... Show More
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  • Assessment Practices of Secondary School Mathematics Teachers in Guraghe Zone

    Lemi Moges Mengesha, Solomon Zerfu Degefa

    Issue: Volume 10, Issue 3, June 2021
    Pages: 77-83
    Received: 7 June 2021
    Accepted: 16 July 2021
    Published: 27 July 2021
    DOI: 10.11648/j.pamj.20211003.12
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    Abstract: This paper was intended to examine mathematics teacher’s practices of assessment techniques used in secondary schools in Guraghe Zone and attempt to explore methods of assessment used by mathematics teachers, nature of feedback provided to student and the support provided by school authorities to enable them undertake assessment effectively. For th... Show More
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  • Minimum Degree Distance of Five Cyclic Graphs

    Nadia Khan, Munazza Shamus, Fauzia Ghulam Hussain, Mansoor Iqbal

    Issue: Volume 10, Issue 3, June 2021
    Pages: 84-88
    Received: 26 May 2021
    Accepted: 28 July 2021
    Published: 4 August 2021
    DOI: 10.11648/j.pamj.20211003.13
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    Abstract: Let G be a connected graph with n vertices. Then the class of connected graphs having n vertices is denoted by Gn. The subclass of connected graphs with 5 cycles are denoted by Gn5. The classification of graph G∈Gn5 depends on the number of edges and the sum of the degrees of the vertices of the graph. Any graph in Gn5 contains five linearly indepe... Show More
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