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105 research outcomes, page 1 of 11
  • publication . Article . 2017
    Open Access English
    Authors:
    A.A.Azamov;
    Publisher: Refaad

    It is suggested several lower estimations for the determinants of matrices consisting of elements +1 and −1, improving the known Hadamard’s lower estimation

  • publication . Article . 2017
    Open Access English
    Authors:
    O. Bazighifan;
    Publisher: Refaad

    This paper is concerned with asymptotic and oscillatory properties of the nonlinear higher-order differential equation with delay argument. Some examples are given to illustrate our main result

  • publication . Article . 2017
    Open Access English
    Authors:
    Atta Abu Hany; Mahmoud Al Agha;
    Publisher: Refaad

    This paper provides more extensions on Cerone's generalizations of Steffensen’s inequality with bounds involving any two subintervals. Moreover, we introduce some applications for integral mean.

  • publication . Article . 2020
    Open Access English
    Authors:
    Nawel Abdesselam;
    Publisher: Refaad

    In this paper, the boundary stabilization of Schr¨odinger equations with variable coefficients by nonlinear and memory feedback is considered. The approch adopted uses Riemannian geometry methods and multipliers techniques.©2020 All rights reserved.

  • publication . Article . 2017
    Open Access English
    Authors:
    Maher Nazmi Qarawani;
    Publisher: Refaad

    In this paper we establish Hyers-Ulam-Rassias stability and Hyers-Ulam Criteria for second order non-linear ordinary differential equations of Lane-Emden type; moreover two examples of such equations are considered

  • publication . Article . 2017
    Open Access English
    Authors:
    Md. Yasin Ali; Kanak Ray Chowdhury; Abeda Sultana; Nirmal Kanti Mitra;
    Publisher: Refaad

    In this paper, using “belongingness (∈) ” and quasi-coincidence (q) ” of fuzzy points and" fuzzy sets, the concept of (∈, ∈ ∨q) -fuzzy hemirings and (∈¯, ∈ ∨¯ ¯q) -fuzzy hemirings have been introduced and some of its properties have been investigate

  • publication . Article . 2016
    Open Access English
    Authors:
    Abdo Qahis;
    Publisher: Refaad

    The aim of this paper is to introduce and study the notions of µ-semicompactness and strong µ-semi-compactness in generalized topological spaces with respect to a hereditary class, called µH-semi-compactness and S-µH-semicompactness, respectively. Also several of their ...

  • publication . Article . 2017
    Open Access English
    Authors:
    Esra Yolacan;
    Publisher: Refaad

    In this paper, we establish the concept of non-self Hardy-Rogers contractions on Banach spaces involving a graph. We also prove some fixed point theorems for such mappings. The results of this paper extend and generalize various known results in the literature.

  • publication . Article . 2018
    Open Access English
    Authors:
    Lalla Saadia CHADLI; Said MELLIANI; Atimad HARIR;
    Publisher: Refaad

    In this work, we establish several results about the existence of fuzzy solutions for some Fuzzy Neutral partial integro-Differential Equation with nonlocal condition. Our approach rest on the Banach fixed-point theorem.

  • publication . Article . 2017
    Open Access English
    Authors:
    Rashida Bibi; Tooba Feroze; Azad A. Siddiqui;
    Publisher: Refaad

    In literature many solution of Einstein-Maxwell’s equations have been found. We consider the spherically symmetric geometry and classify the solutions of Einstein-Maxwell’s equations by considering the null/non-null electromagnetic field and isotropic/anisotropic matter ...

105 research outcomes, page 1 of 11
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