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5 research outcomes, page 1 of 1
  • publication . Article . 2021
    Open Access English
    Authors:
    Mohammed S. El-Khatib; Tariq O. Salim; Atta A. K. Abu Hany;
    Persistent Identifiers
    Publisher: Refaad

    The aim of this article is to introduce a new form for the Laplace transform. This new definition will be considered as one of the generalizations of the usual (classical) Laplace transform. We employ the new ”Katugampola derivative”, which obeys classical properties an...

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  • publication . Article . 2021
    Open Access English
    Authors:
    Rafik Aramyan; Daniel Yeranyan;
    Persistent Identifiers
    Publisher: Refaad

    In this article for n-dimensional convex body D the relation between the chord length distribution function and the distribution function of the distance between two random points in D was found. Also the relation between their moments was found.

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  • publication . Article . 2021
    Open Access English
    Authors:
    Ahmed Al-Siyabi; Mehiddin Al-Baali; Anton Purnama;
    Persistent Identifiers
    Publisher: Refaad

    The recent coronavirus disease 2019 (COVID-19) outbreak is of high importance in research topics due to its fast spreading and high rate of infections across the world. In this paper, we test certain optimal models of forecasting daily new cases of COVID-19 in Oman. It ...

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  • publication . Article . 2021
    Open Access English
    Authors:
    Chenar Abdul Kareem Ahmed;
    Persistent Identifiers
    Publisher: Refaad

    T.K. Kwak and Y. Lee called a ring R satisfy the commutativity of nilpotent elements at zero[1] if ab = 0 for a, b ∈ N(R) implies ba = 0. For simplicity, a ring R is called CNZ if it satisfies the commutativity of nilpotent elements at zero. In this paper we study an ex...

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  • publication . Article . 2021
    Open Access English
    Authors:
    Raad N. Butris; Hewa S. Faris;
    Persistent Identifiers
    Publisher: Refaad

    In this paper, the numerical-analytic method has been used to study the existence and approximation of the periodic solutions for the vector T-system of new nonlinear multiple integro-differential equations of mixed (Volterra-Fredholm) and (Fredholm-Volterra) types. Our...

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5 research outcomes, page 1 of 1