Prof. Ahmed Mohamed Ahmed El-Sayed
Mathematics Department, Faculty of Science
Alexandria University, Egypt
Professor
Email:amasayed@hotmail.com
Qualifications
Ph.D., Zagazig Univ., Egypt
M.Sc., Alexandria Univ., Egypt
B.Sc., Alexandria Univ., Egypt
Publications (Selected)
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El-Sayed
A. M. A, M. A. El-Tawil, M. S. M. Saif and F. M. Hafiz. The mean square
Riemann- Liouville stochastic fractional derivative and stochastic fractional
order differential equation. Math. Sci. Res. J. 9(2005), 142-150.
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El-Sayed, A.M.A and Aly, M. A. E.
Continuation and maximal regularity of fractional-order evolutionary integral
equation Int. J of evolution equations 1(2005).
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El-Mesiry, A. E. M. El-Sayed, A. M. A and
El-Saka, H. A. A. Numerical methods for multi-term fractional (arbitrary)
orders Differential equations. Appl. Math. And Compute. 160(2005), 683-699.
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El-Sayed, A.M.A and Gaber, M. The Adomian
decomposition method for solving partial differential equation of fractional
order in finite domain. Physics Letters A 359(2006), 175-182.
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El-Sayed, A.M.A, El-Mesiry, A. E. M and
El-Saka H. A. A. On the fractionalorder logistic equation J. Appl. Math.
Letters 20(2007), 817-823.
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E. Ahmed, El-Sayed, A.M.A. and El-Saka,
H.A.A. Equilibrium points, stability and numerical solutions of
fractional-order predator-prey and rabies models Journal of Mathematical
Analysis and Applications 325(2007), 542-553.
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El-Sayed, A.M.A and Abd El-Salam, Sh. A
Weighted Cauchy-type problem of a functional differ-interal equation, Electronic
Journal of Qualitative Theory of Differential Equations No. 20(2007), 1-9.
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El-Sayed, A.M.A and El-Maghrabi, E.M,
Stability of monotonic solution of nonautonomous multidimensional delay
differential equations of arbitrary (fractional) orders Electronic Journal of
Qualitative Theory of Differential Equations 1-9(2008).
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EL-Sayed, A.M.A and Hashem, H.H. G,
Carath′eodory type theorem for a nonlinear quadratic integral equation, MATH.
SCI. RES. J. 12(2008), 71-95.
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EL-Sayed, A.M.A and Hashem, H.H.G, Monotonic
positive solution of nonlinear quadratic Hammerstein and Urysohn functional
integral equations, Commentationes Mathematicae. 48(2008), 199-207.
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El-Sayed, A. M. A. and Abd El-Salam, Sh. A.
Lp- solution of weighted Cauchy-type problem of a
diffre-integral functional equation, Inter. J. of Nonlinear Sci., 5(2008).
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El-Sayed, A. M. A. and Abd El-Salam, Sh. A.
On the stability of a fractional-order differential equation with nonlocal
initial condition, EJQTDE, 29(2008), 1-8.
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El-Sayed, A. M. A. and Abd El-Salam, Sh. A.
Weak solutions of a fractional-order nonlocal boundary value problem in
reflexive Banach spaces, diff. equa. and control processes, Electronic Journal,
4(2008), 1817-2172.
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EL-Sayed, A.M.A and Hashem, H.H.G, Monotonic
solutions of functional integral and differential equations of fractional
order, E. J. Qualitative Theory of Diff. Equ., (2009), 1-8.
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El-Sayed A. M. A. and Abd El-Salam Sh. A
Nonlocal boundary value problem of a fractional-order functional differential
equation, Inter. J. Non. Sci., 7(2009).
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El-Sayed, A.M.A, Reda, S.Z and Arafa,
A.A.M Exact solution of fractionalorder biological
population model, Comm. Theot. Phys. 52(2009), 992-996.
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El-Sayed, A.M.A and Al-Issa, Sh. M. Global
Integrable Solution for a Nonlinear Functional Integral Inclusion, SRX
Mathematics Volume 2010(2010).
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A.M.A. El-Sayed, S.H. Behiry and W.E.
Raslan Adomian’s decomposition method for solving an
intermediate fractional advection dispersion equation Computers and Mathematics
with Applications 59(2010), 1759-1765.
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A.M.A. El-Sayed, I.L. El-Kalla and E.A.A.
Ziada Analytical and numerical solutions of multi-term nonlinear fractional
orders differential equations Applied Numerical Mathematics, 60(2010), 788-797.
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A.M. A. EL-Sayed, F.M. Gaafar and E.M. A.
Hamadalla, Stability for a nonlocal non-autonomous system of fractional order
differential equations with delays Electronic Journal of Differential Equations,
31(2010), 110.
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S. Z. Rida, A. M. A. El-Sayed and A. A. M.
ArafaA, Fractional Model for Bacterial Chemoattractant in a Liquid Medium.
Nonlinear Sci. Lett. A, 1(2010), 419-424.
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