Mathematical Modelling and Applications

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Volume 9, Issue 1, March 2024

  • Research Article

    A Dynamic Frictionless Contact Problem with Adhesion in Thermo-elasto-viscoplasticity

    Mohamed Selmani

    Issue: Volume 9, Issue 1, April 2024
    Pages: 1-13
    Received: 25 October 2023
    Accepted: 5 December 2023
    Published: 5 February 2024
    DOI: 10.11648/mma.20240901.11
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    Abstract: The present paper is devoted to the study a dynamic problem describing a frictionless contact between a thermo- elasto-viscoplastic body and an adhesive foundation. The constitutive law includes a temperature effect described by the first order evolution equation. The contact is modelled with a normal compliance condition involving adhesion effect ... Show More
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  • Research Article

    Complexity of Some Types of Cyclic Snake Graphs

    Basma Mohamed*, Mohamed Amin

    Issue: Volume 9, Issue 1, March 2024
    Pages: 14-22
    Received: 5 December 2023
    Accepted: 26 December 2023
    Published: 20 February 2024
    DOI: 10.11648/j.mma.20240901.12
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    Abstract: The number of spanning trees in graphs (networks) is a crucial invariant, and it is also an important measure of the reliability of a network. Spanning trees are special subgraphs of a graph that have several important properties. First, T must span G, which means it must contain every vertex in graph G, if T is a spanning tree of graph G. T needs ... Show More
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  • Research Article

    On the Performance of Some Estimation Methods in Models with Heteroscedasticity and Autocorrelated Disturbances (A Monte-Carlo Approach)

    Olufemi Aderemi Ayansola*, Adebowale Olusola Adejumo

    Issue: Volume 9, Issue 1, March 2024
    Pages: 23-31
    Received: 3 December 2023
    Accepted: 25 December 2023
    Published: 2 April 2024
    DOI: 10.11648/j.mma.20240901.13
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    Abstract: The proliferation of panel data studies has been greatly motivated by the availability of data and capacity for modelling the complexity of human behaviour than a single cross-section or time series data and these led to the rise of challenging methodologies for estimating the data set. It is pertinent that, in practice, panel data are bound to exh... Show More
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