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119 research outcomes, page 2 of 12
  • publication . Article . 2019
    Open Access
    Authors:
    Shadya M. Mershkhan; Baravan A. Asaad;
    Persistent Identifiers
    Publisher: Refaad for Studies and Research

    In this paper, the concepts of Pp-compact spaces by using nets, filter base and Pp-complete accumulation points are introduced and studied.

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  • publication . Article . 2017
    Open Access English
    Authors:
    A. El Allaoui; Said Melliani; Lalla Saadia Chadli;
    Persistent Identifiers
    Publisher: Refaad

    In this paper, we generalize the definition of a fuzzy strongly continuous semigroup and its generator. We define a conformable fractional fuzzy semigroups of operators and its generator. We establish some of their properties and some results about this concept.

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  • publication . Article . 2017
    Open Access English
    Authors:
    Mohsen Timoumi;
    Publisher: Refaad

    Applying a Symmetric Mountain Pass Theorem, we prove the existence of infinitely many homoclinic solutions for a class of fourth-order differential equations u(4)(x) + ωu00(x) + a(x)u(x) = f(x,u(x)), ∀x ∈R where a ∈ C(R,R) may be negative on a bounded interval and F(x,u) ...

  • publication . Article . 2020
    Open Access English
    Authors:
    Chenar Abdul Kareem Ahmed;
    Persistent Identifiers
    Publisher: Refaad

    The concept of central RM rings is introduced in this paper as a generalization of RM rings. Since every RM ring is central RM we study the sufficient condition for a central RM ring to be a RM one. It is shown that every central reversible and hence every central symme...

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  • publication . Article . 2020
    Open Access English
    Authors:
    Dlovan Haji Omar;
    Persistent Identifiers
    Publisher: Refaad

    In this paper, we suggest a new coefficient conjugate gradient method for nonlinear unconstrained optimization by using two parameters one of them is parameter of (FR) and the other one is parameter of (CD), we give a descent condition of the suggested method.

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  • publication . Article . 2020
    Open Access English
    Authors:
    A. Amourah; O. Dalalaa; A. Alelaumi;
    Persistent Identifiers
    Publisher: Refaad

    In this paper, by use of the familiar concept of neighborhoods of p−valently analytic functions, the authors show several inclusion relations associated with the (n, τ)−neighborhood of certain subclasses of analytic functions.

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  • publication . Article . 2021
    Open Access English
    Authors:
    Aziza Benaboud;
    Publisher: Refaad

    This paper proposes a mathematical model of synchronous generator used as an interface between power plant energy sources and the electrical grid. Power electronic converter is then needed to adapt their synchronous speed to the network frequency. Control method is prop...

  • publication . Article . 2017
    Open Access
    Authors:
    Jamal M. Mustafa;
    Persistent Identifiers
    Publisher: Refaad for Studies and Research

    In this paper, we introduce and study the new concept of binary generalized topological spaces. Also we examine some binary generalized topological properties. Furthermore, we define and study some forms of binary generalized continuous functions and we investigate the r...

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  • publication . Article . 2019
    Open Access English
    Authors:
    Zanyar A. Ameen;
    Persistent Identifiers
    Publisher: Refaad

    Jordan algebras are the most natural type of algebras associated with finitely additive measures. Some consequences of this class of algebras are found. In particular, the questions of, what is the nature of the σ-algebra generated by the Jordan algebra? when the Jordan ...

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  • publication . Article . 2020
    Open Access
    Authors:
    Rachanna Kanabur; S. K. Giregol; Akshata Nagaral; Priyanka Badave; Rekha Sannakkai; Renuka Sasalatti;
    Persistent Identifiers
    Publisher: Refaad for Studies and Research

    In this paper, we find the values of four important degree-based topological indices of molecular graph of alkane isomers. Further, we show that these parameters are highly correlated with physical properties of alkane isomers

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119 research outcomes, page 2 of 12