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E. M. Elsayed

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Full Name: E. M. Elsayed

Open AccessArticle

Behavior and formula of the solutions of rational difference equations of order six

E. M. Elsayed, H. Malaikah and J. G. AL-Juaid*

Annals of Communications in Mathematics 2023,

6 (2),

72-85

DOI: https://doi.org/10.62072/acm.2023.060201

AbstractThis paper is devoted to find the form of the solution of the following rational difference equations : xn+1 = xn−3xn−5 xn−1(±1 ± xn−3xn−5) , where the initial conditions x−5, x−4, x−3, x−2, x−1, x0 are arbitrary non zero real numbers. Also, we study the behavior of the solutions.
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Open AccessArticle

Existence Results for Fuzzy Differential Equations with ψ-Hilfer Fractional

D. Vivek, E. M. Elsayed*, K. Kanagarajan and R. Vivek

Annals of Communications in Mathematics 2022,

5 (1),

38-54

DOI: https://doi.org/10.62072/acm.2022.050104

AbstractThis manuscript concerns the fuzzy differential equation involving ψ-Hilfer type fractional derivative with nonlocal condition. By using successive approximation, we obtain the existence, uniqueness results of solution for ψ-Hilfer fuzzy differential equation. Further, nonlocal conditions are extended to the existence results. Furthermore, an application is shown to demonstrate the theoretical conclusions utility.
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Open AccessArticle

Boundary value problems for pantograph equations under generalized

D. Vivek*, E. M. Elsayed and K. Kanagarajan

Annals of Communications in Mathematics 2021,

4 (2),

149-154

DOI: https://doi.org/10.62072/acm.2021.040207

AbstractThe sufficient conditions are estabilished for the existence of solutions for a class of boundary value problems for pantograph equations involving the ψ-type fractional deerivative in Caputo sense.
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