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  1. In this paper, we define the compatibility of finite intuitionistic fuzzy relations with the group Zn and prove some of their fundamental properties. We show that some compositions of Zn-compatible intuitionistic...

    Authors: E. G. Emam
    Citation: Journal of the Egyptian Mathematical Society 2019 27:54
  2. In this article, the Hall and ion-slip effects on a mixed convection flow of an electrically conducting nanofluid over a stretching sheet in a permeable medium have been discussed. Using the similarity transfo...

    Authors: Wubshet Ibrahim and Temesgen Anbessa
    Citation: Journal of the Egyptian Mathematical Society 2019 27:52
  3. A multiset is a collection of objects in which repetition of elements is essential. This paper is an attempt to generalize the notion of filters in the multiset context. In addition, many deviations between mu...

    Authors: Amr Zakaria, Sunil Jacob John and K. P. Girish
    Citation: Journal of the Egyptian Mathematical Society 2019 27:51
  4. This study introduces a stable central difference method for solving second-order self-adjoint singularly perturbed boundary value problems. First, the solution domain is discretized. Then, the derivatives in ...

    Authors: Muslima Kedir Siraj, Gemechis File Duressa and Tesfaye Aga Bullo
    Citation: Journal of the Egyptian Mathematical Society 2019 27:50
  5. In this paper, a new class of life distribution is proposed, named renewal new better than used in Laplace transform order (RNBUL). The test statistic for testing exponentiality versus (RNBUL) based on U-statisti...

    Authors: M. A. W. Mahmoud, L. S. Diab and D. M. Radi
    Citation: Journal of the Egyptian Mathematical Society 2019 27:49
  6. This paper is devoted to study the existence of at least one continuous mild solution to semilinear fractional differential inclusion with deviated-advanced nonlocal conditions. We develop the results obtained...

    Authors: Mohamed A. E. Herzallah and Ashraf H. A. Radwan
    Citation: Journal of the Egyptian Mathematical Society 2019 27:45
  7. A theoretical analysis for magnetohydrodynamic (MHD) mixed convection of non-Newtonian tangent hyperbolic nanofluid flow with suspension dust particles along a vertical stretching sheet is carried out. The cur...

    Authors: A. Mahdy and G. A. Hoshoudy
    Citation: Journal of the Egyptian Mathematical Society 2019 27:44
  8. In this paper, we introduce an iterative algorithm to approximate a common solution of a generalized equilibrium problem and a fixed point problem for an asymptotically nonexpansive mapping in a real Hilbert s...

    Authors: Richard Osward, Santosh Kumar and Mengistu Goa Sangago
    Citation: Journal of the Egyptian Mathematical Society 2019 27:43
  9. In this paper, we introduce two iterative algorithms for finding a common element of the set of fixed points of a quasi- ϕ-asymptotically nonexpansive multivalued mapping and the sets of solutions of generalized ...

    Authors: Bashir Ali, Lawal Umar and M. H. Harbau
    Citation: Journal of the Egyptian Mathematical Society 2019 27:40
  10. In this study, we establish existence-uniqueness of a vector function in appropriate Sobolev-type space for a boundary value problem of a fifth-order operator differential equation. Proper conditions are obtai...

    Authors: Nashat Faried, Labib Rashed, Abdel Baset I. Ahmed and Mohamed A. Labeeb
    Citation: Journal of the Egyptian Mathematical Society 2019 27:37
  11. In this paper, we present a numerical method based on cubic B-spline function for studying the effects of thermal radiation and mass transfer on free convection flow over a moving vertical porous plate. Simila...

    Authors: M. Abu zeid, Khalid K. Ali, M. A. Shaalan and K. R. Raslan
    Citation: Journal of the Egyptian Mathematical Society 2019 27:36
  12. We present a new version of the Secure Hash Algorithm-2 (SHA-2) formed on artificial sequences of deoxyribonucleic acid (DNA). This article is the first attempt to present the implementation of SHA-2 using DNA...

    Authors: Dieaa I. Nassr
    Citation: Journal of the Egyptian Mathematical Society 2019 27:34
  13. In this paper, a numerical technique for solving new generalized fractional order differential equations with linear functional argument is presented. The spectral Tau method is extended to study this problem,...

    Authors: Kamal R. Raslan, Mohamed A. Abd El salam, Khalid K. Ali and Emad M. Mohamed
    Citation: Journal of the Egyptian Mathematical Society 2019 27:33
  14. In this paper, we investigate intrinsically a special class of regular Finsler connections in the pullback formalism. Such connections are called P1-connections. Important result concerning the nonlinear connecti...

    Authors: A. Soleiman
    Citation: Journal of the Egyptian Mathematical Society 2019 27:32
  15. In this paper, using the principal of differential subordination, we obtain some properties of certain class of p-valent meromorphic functions, which are defined by Mittag-Leffler function.

    Authors: Adela O. Mostafa and Ghada M. El-hawsh
    Citation: Journal of the Egyptian Mathematical Society 2019 27:31
  16. The aim of this paper is to introduce and study the notions of M-fuzzy quantic nuclei and conuclei on quantales. Firstly, the concept of an M-fuzzy quantic nuclei is introduced and some of its properties are disc...

    Authors: Kamal El-Saady, Saad Sharqawy and Ayat A. Temraz
    Citation: Journal of the Egyptian Mathematical Society 2019 27:28
  17. In this paper, the generalized Sylvester matrix equation AV + BW = EVF + C over reflexive matrices is considered. An iterative algorithm for obtaining reflexive solutions of this matrix equation is introduced. Wh...

    Authors: Mohamed A. Ramadan, Naglaa M. El–shazly and Basem I. Selim
    Citation: Journal of the Egyptian Mathematical Society 2019 27:27
  18. In this paper, we have a tendency to investigate a particular Weingarten and linear Weingarten varieties of canal surfaces according to Bishop frame in Euclidean 3-space E3 satisfying some fascinating and necessa...

    Authors: M. A. Soliman, W. M. Mahmoud, E. M. Solouma and M. Bary
    Citation: Journal of the Egyptian Mathematical Society 2019 27:26
  19. This paper aims at showing that Frenet apparatus of an evolute curve can be formed in terms of Frenet apparatus of its involute curve in the hyperbolic (de Sitter) space. Also, we establish relationships among Fr...

    Authors: H. S. Abdel-Aziz, M. Khalifa Saad and A. A. Abdel-Salam
    Citation: Journal of the Egyptian Mathematical Society 2019 27:25
  20. According to the characterization of decomposable MS-algebras in terms of triples (M,D,φ), where M is a de Morgan algebra, D is a distributive lattice with 1 and φ is a (0,1)-homomorphism of M into F(D), the filt...

    Authors: Abd El-Mohsen Badawy and Ahmed Gaber
    Citation: Journal of the Egyptian Mathematical Society 2019 27:23
  21. This paper introduces a new efficient satisfiability problem (SAT) solver, negative-literal Van der Waerden numbers SAT solver (NegVanSAT). It is a modification of the

    Authors: Munira A. Abd El-Maksoud and Areeg Abdalla
    Citation: Journal of the Egyptian Mathematical Society 2019 27:22
  22. Edge even graceful labeling is a new type of labeling since it was introduced in 2017 by Elsonbaty and Daoud (Ars Combinatoria 130:79–96, 2017). In this paper, we obtained an edge even graceful labeling for so...

    Authors: Mohamed R. Zeen El Deen
    Citation: Journal of the Egyptian Mathematical Society 2019 27:20
  23. The object of the present paper was to introduce the notion of hyper generalized φ-recurrent Sasakian manifold and quasi generalized φ-recurrent Sasakian manifold and study its various geometric properties. The e...

    Authors: Venkatesha Venkatesha, H. Aruna Kumara and Devaraja Mallesha Naik
    Citation: Journal of the Egyptian Mathematical Society 2019 27:19
  24. The main object of this paper is to investigate some subordination results of certain subclasses of multivalent analytic functions which are defined by a generalized fractional differintegral operator. Inclusi...

    Authors: Hanaa M. Zayed
    Citation: Journal of the Egyptian Mathematical Society 2019 27:17
  25. In this paper, two bounded bi-univalent function subclasses were defined by using Salagean q-differential operator. The functions are defined in the open unit disc of complex plane. The main purpose is to determi...

    Authors: Alaa Hassan El-Qadeem and Mohammed Ahmed Mamon
    Citation: Journal of the Egyptian Mathematical Society 2019 27:16
  26. Uncertainty has been used in different areas in our life such as medical diagnosis, social studies, pharmacology and others. The soft set theory and rough set theory are treated as mathematical approaches to d...

    Authors: Heba I. Mustafa
    Citation: Journal of the Egyptian Mathematical Society 2019 27:15
  27. Thermodynamic properties of heavy mesons are calculated within the framework of the N-dimensional radial Schrödinger equation. The Cornell potential is extended by including the quadratic potential plus the inver...

    Authors: M. Abu-Shady, T. A. Abdel-Karim and Sh. Y. Ezz-Alarab
    Citation: Journal of the Egyptian Mathematical Society 2019 27:14
  28. This research presents the reader some algebraic operations related to combinatorial games and gives a detailed outlook of a special game called Hackenbush game. We will deduce a group with a special feature w...

    Authors: Awad Alabdala and Essam El-Seidy
    Citation: Journal of the Egyptian Mathematical Society 2019 27:13
  29. In this paper, we obtain bi-univalent properties for certain class of Bazilevič functions defined by convolution and with bounded boundary rotation. We will find coefficient bounds for |a2| and |a3| for the class...

    Authors: Mohamed K. Aouf, Samar M. Madian and Adela O. Mostafa
    Citation: Journal of the Egyptian Mathematical Society 2019 27:11
  30. For the importance of deteriorating in units, this paper presents a Constraint Deteriorating Probabilistic Periodic Review Inventory Model (CDPPRIM), a model which is applicable under some assumptions: (1) the...

    Authors: O. M. Hollah and H. A. Fergany
    Citation: Journal of the Egyptian Mathematical Society 2019 27:10
  31. This work analyzes the unsteady two-dimensional nanofluid flow over a vertical stretching permeable surface in the presence of an inclined magnetic field and non-uniform heat source/sink. Four different types ...

    Authors: N. S. Elgazery
    Citation: Journal of the Egyptian Mathematical Society 2019 27:9
  32. In this paper, we introduce the concepts of Stone elements, central elements and Birkhoof central elements of a double MS-algebra and study their related properties. We observe that the center C(L) of a double MS

    Authors: Abd El-Mohsen Badawy
    Citation: Journal of the Egyptian Mathematical Society 2019 27:6
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