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Journal of the Egyptian Mathematical Society
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  4. The researchers, engineers, and physical experimenters may face difficulty to get a distribution that fits the failure data arising from certain systems. So, in this paper, a new distribution is introduced, na...

    Authors: Atef F. Hashem, Coşkun Kuş, Ahmet Pekgör and Alaa H. Abdel-Hamid
    Citation: Journal of the Egyptian Mathematical Society 2022 30:15
    Content type: Original research Published on:

  6. This study investigates the influence of a circular crack breaker on mode-III deformation behavior of a semi-infinite crack in a homogeneous, elastic orthotropic material subjected to longitudinal shear loads....

    Authors: Ndubueze G. Emenogu, James N. Nnadi and Nkem Ogbonna
    Citation: Journal of the Egyptian Mathematical Society 2022 30:13
    Content type: Original research Published on:

  8. In this research paper, the approximate bound state solutions and thermodynamic properties of Schrӧdinger equation with modified exponential screened plus Yukawa potential (MESPYP) were obtained with the help ...

    Authors: Akaninyene D. Antia, Ituen B. Okon, Cecilia N. Isonguyo, Akaninyene O. Akankpo and Nsemeke E. Eyo
    Citation: Journal of the Egyptian Mathematical Society 2022 30:11
    Content type: Original research Published on:

  10. Testing various classes of life distributions have been considered a very important problem in the literature during the last decades, and many authors tried to solve it. In this paper, a new statistic techniq...

    Authors: S. E. Abu-Youssef, N. S. A. Ali and A. A. El-Toony
    Citation: Journal of the Egyptian Mathematical Society 2022 30:9
    Content type: Original research Published on:

  11. A mathematical model has been utilized to examine the interaction between tumor cells and immune cells. In this model, the immune cells include natural killer cells, circulating lymphocytes, CD8+T cells, CD4+T ce...

    Authors: Hesham A. Elkaranshawy and Ahmed M. Makhlouf
    Citation: Journal of the Egyptian Mathematical Society 2022 30:8
    Content type: Original research Published on:

  13. The chemical entropy generation analysis is an approach to optimize the performance of different thermal systems by investigating the related irreversibility of the system. The influences of second-order slip ...

    Authors: Adebowale Martins Obalalu
    Citation: Journal of the Egyptian Mathematical Society 2022 30:6
    Content type: Original research Published on:

  16. This paper presents an enhanced moving least square method for the solution of volterra integro-differential equation: an interpolating polynomial. It is a numerical scheme that utilizes a modified shape funct...

    Authors: O. A. Taiwo, M. O. Etuk, E. Nwaeze and M. O. Ogunniran
    Citation: Journal of the Egyptian Mathematical Society 2022 30:3
    Content type: Original research Published on:

  17. The sole aim of this article is to examine the relative contribution of suction/injection parameter on Taylor–Dean flow in a composite annular gap partially filled with porous material. In the present setup, t...

    Authors: Basant K. Jha and Taiwo S. Yusuf
    Citation: Journal of the Egyptian Mathematical Society 2022 30:2
    Content type: Original research Published on:

  19. In this review paper, I focus on presenting the reasons of extending the partial differential equations to space-time fractional differential equations. I believe that extending any partial differential equati...

    Authors: E. A. Abdel-Rehim
    Citation: Journal of the Egyptian Mathematical Society 2021 29:25
    Content type: Review Published on:

  20. The present study focuses on double diffusive nonlinear (quadratic) mixed convective flow of nanoliquid about vertical wedge with nonlinear temperature-density-concentration variations. This study is found to ...

    Authors: Prabhugouda Mallanagouda Patil and Madhavarao Kulkarni
    Citation: Journal of the Egyptian Mathematical Society 2021 29:24
    Content type: Original research Published on:

  22. The authors present necessary and sufficient conditions for the oscillation of a class of second order non-linear neutral dynamic equations with non-positive neutral coefficients by using Krasnosel’skii’s fixe...

    Authors: G. N. Chhatria, Said R. Grace and John R. Graef
    Citation: Journal of the Egyptian Mathematical Society 2021 29:22
    Content type: Original research Published on:

  23. The well-known Weibull distribution can be used to model the decreasing and unimodal failure rate quite standard in reliability and biological studies. It is also commonly adopted as baseline to generate new d...

    Authors: Felipe R. S. de Gusmão, Frank Gomes-Silva, Cícero C. R. de Brito, Fábio V. J. Silveira, Jader S. Jale, Sílvio F. A. Xavier-Júnior and Pedro R. D. Marinho
    Citation: Journal of the Egyptian Mathematical Society 2021 29:21
    Content type: Original research Published on:

  25. In this article, we introduce the notion of nonuniform biorthogonal wavelets on positive half line. We first establish the characterizations for the translates of a single function to form the Riesz bases for ...

    Authors: Owais Ahmad, Neyaz A. Sheikh and Mobin Ahmad
    Citation: Journal of the Egyptian Mathematical Society 2021 29:19
    Content type: Original research Published on:

  26. In this paper, a model problem of viscous flow and heat transfer in a rectangular converging (diverging) channel has been investigated. The governing equations are presented in Cartesian Coordinates and conse...

    Authors: Roohi Laila, Dil Nawaz Khan Marwat and Azhar Ali
    Citation: Journal of the Egyptian Mathematical Society 2021 29:18
    Content type: Original research Published on:

  28. Lassa fever is a zoonotic disease spread by infected rodents known as multimammate rats. The disease has posed a significant and major health challenge in West African countries, including Nigeria. To have a d...

    Authors: Mayowa M. Ojo, B. Gbadamosi, Temitope O. Benson, O. Adebimpe and A. L. Georgina
    Citation: Journal of the Egyptian Mathematical Society 2021 29:16
    Content type: Original research Published on:

  30. A steady MHD boundary layer flow of Powell–Eyring dusty nanofluid over a stretching surface with heat flux condition is studied numerically. It is assumed that the fluid is incompressible and the impacts of th...

    Authors: Omima A. Abo-zaid, R. A. Mohamed, F. M. Hady and A. Mahdy
    Citation: Journal of the Egyptian Mathematical Society 2021 29:14
    Content type: Original research Published on:

  31. In this article, the authors applied a logistic growth model explaining the dynamics of the spread of COVID-19 in Egypt. The model which is simple follows well-known premises in population dynamics. Our aim is...

    Authors: Assem S. Deif and Sahar A. El-Naggar
    Citation: Journal of the Egyptian Mathematical Society 2021 29:13
    Content type: Original research Published on:

  33. Hydrodynamic behaviour of slip flow and radially applied exponential time-dependent pressure gradient in a curvilinear concentric cylinder is examined. A two-step method of solution has been utilized in resolv...

    Authors: Basant K. Jha and Dauda Gambo
    Citation: Journal of the Egyptian Mathematical Society 2021 29:11
    Content type: Original research Published on:

  35. The aim of this paper is to investigate the relations among the L-fuzzy pre-proximities, L-fuzzy closure operators and L-fuzzy co-topologies in complete residuated lattices. We show that there is a Galois corresp...

    Authors: A. A. Ramadan, E. H. Elkordy and M. A. Usama
    Citation: Journal of the Egyptian Mathematical Society 2021 29:9
    Content type: Original research Published on:

  36. In this paper, a latent infection susceptible–exposed–infectious–recovered model with demographic effects is used to understand the dynamics of the COVID-19 pandemics. We calculate the basic reproduction number (

    Authors: Abdul A. Kamara, Lagès N. Mouanguissa and Godfrey Okumu Barasa
    Citation: Journal of the Egyptian Mathematical Society 2021 29:8
    Content type: Original research Published on:

  37. In this paper, we apply an accelerated version of the Adomian decomposition method for solving a class of nonlinear partial differential equations. This version is a smart recursive technique in which no diffe...

    Authors: I. L. El-Kalla, E. M. Mohamed and H. A. A. El-Saka
    Citation: Journal of the Egyptian Mathematical Society 2021 29:7
    Content type: Original research Published on:

  38. An asymptotic perturbation solution for a linear oscillator of free damped vibrations in fractal medium described by local fractional derivatives was obtained in Yang and Srivastava (Commun Nonlinear Sci Numer...

    Authors: Mithilesh Singh, Seema Sharma and Sunil Rawan
    Citation: Journal of the Egyptian Mathematical Society 2021 29:6
    Content type: Original research Published on:

  40. In this paper, we consider a reaction–diffusion model in population dynamics and study the impact of different types of Allee effects with logistic growth in the heterogeneous closed region. For strong Allee e...

    Authors: Kamrun Nahar Keya, Md. Kamrujjaman and Md. Shafiqul Islam
    Citation: Journal of the Egyptian Mathematical Society 2021 29:4
    Content type: Original research Published on:

  43. The assessment of melting heat transfer and non-uniform heat source on magnetic Cu–H2O nanofluid flow through a porous cylinder was studied. The transformed differential equations describing the motion of Cu–H2O ...

    Authors: Khilap Singh, Alok Kumar Pandey and Manoj Kumar
    Citation: Journal of the Egyptian Mathematical Society 2021 29:1
    Content type: Original research Published on:

  44. In this study, various fluid physical quantities effects such as diffusion-thermo, thermal-diffusion, thermal radiation, viscous dissipation, inclined magnetic field on unsteady MHD slip flow over a permeable ...

    Authors: T. L. Oyekunle and S. A. Agunbiade
    Citation: Journal of the Egyptian Mathematical Society 2020 28:51
    Content type: Original Research Published on:

  46. Weak structure space (briefly, wss) has master looks, when the whole space is not open, and these classes of subsets are not closed under arbitrary unions and finite intersections, which classify it from typical ...

    Authors: H. M. Abu-Donia and Rodyna A. Hosny
    Citation: Journal of the Egyptian Mathematical Society 2020 28:49
    Content type: Original research Published on:

  48. This article gives results on fixed complete lattice L-fuzzy pre-proximities, L-fuzzy grills and L-fuzzy filters. Moreover, we investigate the relations among the L-fuzzy pre-proximities , L-fuzzy grills and L-fu...

    Authors: A. A. Ramadan, M. A. Usama and A. A. Abd El-Latif
    Citation: Journal of the Egyptian Mathematical Society 2020 28:47
    Content type: Original research Published on:

  49. Rough set theory over two universes is a generalization of rough set model to find accurate approximations for uncertain concepts in information systems in which uncertainty arises from existence of interrelat...

    Authors: O. A. Embaby and Nadya A. Toumi
    Citation: Journal of the Egyptian Mathematical Society 2020 28:46
    Content type: Original research Published on:

  50. In this paper, we study a multiple scales perturbation and numerical solution for vibrations analysis and control of a system which simulates the vibrations of a nonlinear composite beam model. System of secon...

    Authors: M. Sayed, A. A. Mousa, D. Y. Alzaharani, I. H. Mustafa and S. I. El-Bendary
    Citation: Journal of the Egyptian Mathematical Society 2020 28:45
    Content type: Original research Published on:
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  • ISSN: 2090-9128 (electronic)