fbpx

citations

Ahmed M. A. El-Sayed
Alexandria university, Faculty of Science, Mathematics and computer science department
Verified email at alexu.edu.eg

Cited by                      VIEW ALL

All

Since 2013

Citations

4193

2559

h-index

29

24

i10-index

75

49

TITLE

CITED BY

YEAR

Equilibrium points, stability and numerical solutions of fractional-order predator–prey and rabies models

E Ahmed, AMA El-Sayed, HAA El-Saka

Journal of Mathematical Analysis and Applications 325 (1), 542-553

382

2007

Nonlinear functional differential equations of arbitrary orders

AMA El-Sayed

Nonlinear Analysis: Theory, Methods & Applications 33 (2), 181-186

257

1998

Fractional-order diffusion-wave equation

AMA El-Sayed

International Journal of Theoretical Physics 35 (2), 311-322

257

1996

Fractional order theory of thermoelasticity

HH Sherief, AMA El-Sayed, AMA El-Latief

International Journal of Solids and structures 47 (2), 269-275

216

2010

On the fractional-order logistic equation

AMA El-Sayed, AEM El-Mesiry, HAA El-Saka

Applied Mathematics Letters 20 (7), 817-823

197

2007

On some Routh–Hurwitz conditions for fractional order differential equations and their applications in Lorenz, Rössler, Chua and Chen systems

E Ahmed, AMA El-Sayed, HAA El-Saka

Physics Letters A 358 (1), 1-4

196

2006

The Adomian decomposition method for solving partial differential equations of fractal order in finite domains

AMA El-Sayed, M Gaber

Physics Letters A 359 (3), 175-182

156

2006

Multivalued fractional differential equations

AMA El-Sayed, AG Ibrahim

Applied Mathematics and Computation 68 (1), 15-25

142

1995

Fractional order evolution equations

AMA El-Sayed

J. of Frac. Calculus 7, 89-100

112

1995

On the finite Caputo and finite Riesz derivatives

AMA El-Sayed, M Gaber

Electronic Journal of Theoretical Physics 3 (12), 81-95

104

2006

Exact solutions of fractional-order biological population model

AMA El-Sayed, SZ Rida, AAM Arafa

Communications in Theoretical Physics 52 (6), 992

103

2009

Adomian’s decomposition method for solving an intermediate fractional advection–dispersion equation

AMA El-Sayed, SH Behiry, WE Raslan

Computers & Mathematics with Applications 59 (5), 1759-1765

95

2010

On two definitions of fractional derivatives

I Podlubný, AMA El-Sayed

ÚEF SAV

95

1996

Numerical solution for multi-term fractional (arbitrary) orders differential equations

AMA El-Sayed, AEM El-Mesiry, HAA El-Saka

Computational & Applied Mathematics 23 (1), 33-54

89

2004

Numerical methods for multi-term fractional (arbitrary) orders differential equations

AEM El-Mesiry, AMA El-Sayed, HAA El-Saka

Applied Mathematics and Computation 160 (3), 683-699

86

2005

On the fractional differential equations

AMA El-Sayed

Applied Mathematics and Computation 49 (2-3), 205-213

76

1992

On the solutions of time-fractional reaction–diffusion equations

SZ Rida, AMA El-Sayed, AAM Arafa

Communications in Nonlinear Science and Numerical Simulation 15 (12), 3847-3854

52

2010

On stability, persistence, and Hopf bifurcation in fractional order dynamical systems

HA El-Saka, E Ahmed, MI Shehata, AMA El-Sayed

Nonlinear Dynamics 56 (1-2), 121

52

2009

On the solutions of time-fractional bacterial chemotaxis in a diffusion gradient chamber

AMA El-Sayed, SZ Rida, AAM Arafa

International Journal of Nonlinear Science 7 (4), 485-492

46

2009

Analytical and numerical solutions of multi-term nonlinear fractional orders differential equations

AMA El-Sayed, IL El-Kalla, EAA Ziada

Applied Numerical Mathematics 60 (8), 788-797

43

2010

Set-valued integral equations of fractional-orders

AMA El-Sayed, AG Ibrahim

Applied mathematics and computation 118 (1), 113-121

39

2001

Picard and Adomian methods for quadratic integral equation

AMA El-Sayed, HHG Hashem, EAA Ziada

Computational & Applied Mathematics 29 (3), 447-463

37

2010

On the maximal and minimal solutions of arbitrary-orders nonlinear functional integral and differential equations

AMA El-Sayed, FM Gaafar, HH Hashem

Math. Sci. Res. J 8 (11), 336-348

35

2004

Integrable and continuous solutions of a nonlinear quadratic integral equation

A El-Sayed, HHG Hashem

Electronic Journal of Qualitative Theory of Differential Equations 2008 (25 …

34

2008

Numerical solution for the fractional replicator equation

E Ahmed, AMA El-Sayed, AEM El-Mesiry, HAA El-Saka

International Journal of Modern Physics C 16 (07), 1017-1025

34

2005

Fractional differential-difference equations

AMA El-Sayed

J. Fract. Calc 10, 101-106

34

1996

Fractional calculus and some intermediate physical processes

AMA El-Sayed, FM Gaafar

Applied Mathematics and Computation 144 (1), 117-126

33

2003

On the fractional-order diffusion-wave process

MAE Herzallah, AMA El-Sayed, D Baleanu

Rom. J. Phys 55 (3-4), 274-284

32

2010

On two definitions of fractional calculus, Solvak Academy of science-institute of eyperimental phys

I Podlubny, AMA El-Sayed

UEF-03-96 ISBN 80-7099-252-2

30

1996

Dynamical behavior, chaos control and synchronization of a memristor-based ADVP circuit

AMA El-Sayed, A Elsaid, HM Nour, A Elsonbaty

Communications in Nonlinear Science and Numerical Simulation 18 (1), 148-170

29

2013

Fractional-order differential equations with memory and fractional-order relaxation-oscillation model

AMA El-Sayed, FM Gaafar

Pure Mathematics and Applications 12 (3), 296-310

29

2001

Linear differential equations of fractional orders

AMA El-Sayed

Applied Mathematics and Computation 55 (1), 1-12

29

1993

Dynamical behaviors, circuit realization, chaos control, and synchronization of a new fractional order hyperchaotic system

AMA El-Sayed, HM Nour, A Elsaid, AE Matouk, A Elsonbaty

Applied Mathematical Modelling 40 (5-6), 3516-3534

26

2016

Fractional-order Chua’s system: discretization, bifurcation and chaos

RP Agarwal, AMA El-Sayed, SM Salman

Advances in Difference Equations 2013 (1), 320

26

2013

A homotopy perturbation technique for solving partial differential equations of fractional order in finite domains

AMA El-Sayed, A Elsaid, IL El-Kalla, D Hammad

Applied Mathematics and Computation 218 (17), 8329-8340

26

2012

Existence theorems for nonlinear functional integral equations of fractional orders

M Cichoń, AM El-Sayed, AH Hussien

Annales Societatis Mathematicae Polonae. Seria 1: Commentationes …

26

2001

Circuit realization, bifurcations, chaos and hyperchaos in a new 4D system

AMA El-Sayed, HM Nour, A Elsaid, AE Matouk, A Elsonbaty

Applied Mathematics and Computation 239, 333-345

24

2014

Effect of bacterial memory dependent growth by using fractional derivatives reaction-diffusion chemotactic model

SZ Rida, AMA El-Sayed, AAM Arafa

Journal of Statistical Physics 140 (4), 797-811

24

2010

A note on the fractional calculus in Banach spaces

HAH Salem, AMA El-Sayed, OL Moustafa

Studia Scientiarum Mathematicarum Hungarica 42 (2), 115-130

24

2005

On a discretization process of fractional-order Riccati differential equation

AMA El-Sayed, SM Salman

J. Fract. Calc. Appl 4 (2), 251-259

23

2013

On the functional integral equations of mixed type and integro-differential equations of fractional orders

WG El-Sayed, AMA El-Sayed

Applied mathematics and computation 154 (2), 461-467

23

2004

Numerical and analytic solution for nonlinear quadratic integral equations

AMA El-Sayed, MM Saleh, EAA Ziada

Math. Sci. Res. J 12 (8), 183-191

22

2008

Caratheodary Type Theorem for a Nonlinear Quadratic Integral Equation

AMA El-Sayed, HHG Hashem

Mathematical Sciences Research Journal 12 (4), 88

22

2008

On some fractional functional equations

AMA El-Sayed, WG El-Sayed, OL Moustafa

Pure Mathematics and Applications 6 (4), 321-332

21

1995

Monotonic positive solution of a nonlinear quadratic functional integral equation

AMA El-Sayed, HHG Hashem

Applied Mathematics and Computation 216 (9), 2576-2580

20

2010

On the solutions of the generalized reaction-diffusion model for bacterial colony

AMA El-Sayed, SZ Rida, AAM Arafa

Acta Applicandae Mathematicae 110 (3), 1501-1511

20

2010

Monotonic solutions of functional integral and differential equations of fractional order

A El-Sayed, HHG Hashem

Electronic Journal of qualitative theory of differential equations 2009 (7), 1-8

20

2009

On the stability of a fractional-order differential equation with nonlocal initial condition

A El-Sayed, SA AbdEl-Salam

Electronic Journal of Qualitative Theory of Differential Equations 2008 (29 …

19

2008

Continuation theorem of fractional order evolutionary integral equations

AMA El-Sayed, MAE Aly

Korean Journal of Computational & Applied Mathematics 9 (2), 525-533

19

2002

Weak solution for fractional order integral equations in reflexive Banach spaces

HAH Salem, A El-Sayed

Mathematica Slovaca 55 (2), 169-181

18

2005

Fractional-order evolutionary integral equations

AMA El-Sayed

Applied Mathematics and Computation 98 (2-3), 139-146

18

1999

Nonlinear functional differential equations of arbitrary order

AMA EI-Sayed

Nonlinear Anal. TMA 33, 181-186

17

1998

A reliable treatment of homotopy perturbation method for solving the nonlinear Klein-Gordon equation of arbitrary (fractional) orders

AMA El-Sayed, A Elsaid, D Hammad

Journal of Applied Mathematics 2012

16

2012

Weak maximal and minimal solutions for Hammerstein and Urysohn integral equations in reflexive Banach spaces

AMA El-Sayed, HHG Hashem

Дифференциальные уравнения и процессы управления, 51-62

16

2008

Positive solutions for a nonlocal multi-point boundary-value problem of fractional and second order

AMA El-Sayed, EO Bin-Taher

Electronic Journal of Differential Equations 2013 (64), 1-8

15

2013

Existence of uniformly stable solutions of nonautonomous discontinuous dynamical systems

AMA El-Sayed, ME Nasr

Journal of the Egyptian Mathematical Society 19 (1-2), 91-94

15

2011

On the stability of some fractional-order non-autonomous systems.

A El-Salam, A Sheren, A El-Sayed

Electronic Journal of Qualitative Theory of Differential Equations

15

2007

Define integral of fractional order for set valued function

AG Ibrahim, AMA El-Sayed

J. Frac. Calculus 11, E2

14

1997

Laguerre polynomials of arbitrary (fractional) orders

AMA El-Sayed

Applied Mathematics and Computation 109 (1), 1-9

13

2000

On the generalized Laguerre polynomials of arbitrary (fractional) orders and quantum mechanics

AMA El-Sayed

Journal of Physics A: Mathematical and general 32 (49), 8647

13

1999

Fractional parallel RLC circuit

AMA El-Sayed, HM Nour, WE Raslan, ES El-Shazly

Alexandria journal of Mathematics 3 (1), 11-23

12

2012

An arbitrary (fractional) orders differential equation with internal nonlocal and integral conditions

A El-Sayed, E Bin-Taher

Advances in pure mathematics 1 (03), 59

12

2011

Perturbation for fractional-order evolution equation

MAE Herzallah, AMA El-Sayed, D Baleanu

Nonlinear Dynamics 62 (3), 593-600

12

2010

Picard and Adomian decomposition methods for a quadratic integral equation of fractional order

AMA El-Sayed, HHG Hashem, EAA Ziada

Computational and Applied Mathematics 33 (1), 95-109

11

2014

Existence results for nonlinear quadratic integral equations of fractional order in Banach algebra

A El-Sayed, H Hashem

Fractional Calculus and Applied Analysis 16 (4), 816-826

11

2013

Existence of positive continuous solution of a quadratic integral equation of fractional orders

AMA El-Sayed, MS Mohamed, FFS Mohamed

Journal of Fractional Calculus and Applications 1 (9), 1-7

11

2011

A nonlocal problem of an arbitrary (fractional) orders differential equation

AMA El-Sayed, EO Bin-Taher

Alexandria j. of Math 1 (2), 1-7

11

2010

A nonlocal problem for a multi-term fractional-orders differential equation

AMA El-Sayed, EO Bin-Taher

Int. J. of Math. Analysis 5 (29), 1445-1451

11

2010

Continuation and maximal regularity of fractional-order evolution equation

AMA El-Sayed, MAE Herzallah

Journal of mathematical analysis and applications 296 (1), 340-350

11

2004

Bell polynomials of arbitrary (fractional) orders+

AMA El-Sayed, SZ Rida

Applied Mathematics and Computation 106 (1), 51-62

11

1999

Using fractional derivatives to generalize the Hodgkin–Huxley model

HH Sherief, AMA El-Sayed, SH Behiry, WE Raslan

Fractional Dynamics and Control, 275-282

10

2012

A numerical algorithm for the solution of an intermediate fractional advection dispersion equation

AMA El-Sayed, SH Behiry, WE Raslan

Communications in Nonlinear Science and Numerical Simulation 15 (5), 1253-1258

10

2010

On the existence and stability of positive solution for a nonlinear fractional-order differential equation and some applications

AMA El-Sayed

Alex. J. Math 1, 1-10

10

2010

Lp-solution of weighted Cauchy-type problem of a diffreintegral functional equation

AMA El-Sayed, SAA El-Salam

International Journal of Nonlinear Science 5 (3), 281-288

10

2008

Weighted Cauchy-type problem of a functional differ-integral equation

A El-Sayed, SA AbdEl-Salam

Electronic Journal of Qualitative Theory of Differential Equations 2007 (30 …

10

2007

Chaos and bifurcation of the Logistic discontinuous dynamical systems with piecewise constant arguments

AMA El-Sayed, SM Salman

Malaya J. Mat 3 (1), 14-20

9

2013

Dynamic properties of the fractional-order logistic equation of complex variables

AMA El-Sayed, E Ahmed, HAA El-Saka

Abstract and Applied Analysis 2012

9

2012

Chaos and bifurcation of discontinuous dynamical systems with piecewise constant arguments

AMA El-Sayed, SM Salman

Malaya J. Mat 1 (1), 14-18

9

2012

Stability of a nonlinear non-autonomous fractional order systems with different delays and non-local conditions

A El-Sayed, F Gaafar

Advances in Difference Equations 2011 (1), 47

9

2011

Stability for a non-local non-autonomous system of fractional order differential equations with delays.

A El-Sayed, FM Gaafar, E Hamadalla

Electronic Journal of Differential Equations (EJDE)[electronic only] 2010 …

9

2010

Solvability of nonlinear Hammerstein quadratic integral equations.

AMA El-Sayed, HHG Hashem

The Journal of Nonlinear Sciences and its Applications 2 (3), 152-160

9

2009

Discretization of forced Duffing system with fractional-order damping

AMA El-Sayed, ZFE El-Raheem, SM Salman

Advances in Difference Equations 2014 (1), 66

8

2014

Existence results for coupled systems of quadratic integral equations of fractional orders

AMA El-Sayed, HHG Hashem

Optimization Letters 7 (6), 1251-1260

8

2013

Coupled systems of Hammerstein and Urysohn integral equations in reflexive Banach spaces.

AMA El-Sayed, HHG Hashem

Differential Equations & Control Processes 2012 (1)

8

2012

On some dynamical properties of discontinuous dynamical systems

AMA El-Sayed, ME Nasr

American Academic and Scholarly Research Journal 2 (1), 28-32

8

2012

Positive nondecreasing solutions for a multi-term fractional-order functional differential equation with integral conditions

AMA El-Sayed, EO Bin-Taher

Electronic Journal of Differential Equations 2011 (166), 1-8

8

2011

On a stochastic fractional calculus

FM Hafez, AMA El-Sayed, MA El-Tawil

Fractional Calculus and Applied Analysis 4, 81-90

7

2017

Dynamical analysis and circuit simulation of a new fractional-order hyperchaotic system and its discretization

AMA El-Sayed, A Elsonbaty, AA Elsadany, AE Matouk

International Journal of Bifurcation and Chaos 26 (13), 1650222

7

2016

A coupled system of fractional order integral equations in reflexive Banach spaces

AMA El-Sayed, HHG Hashem

Commentationes Mathematicae 52 (1), 21-28

7

2012

On the fractional-order games with non-uniform interaction rate and asymmetric games

AMA El-Sayed, E Ahmed, MAE Herzallah

Journal of Fractional Calculus and Applications 1 (1), 1-9

7

2011

Solutions of a Class of Deviated-Advanced Nonlocal Problems for the Differential Inclusion 𝑥1 (𝑡)∈ 𝐹 (𝑡, 𝑥 (𝑡))

AMA El-Sayed, EM Hamdallah, KW Elkadeky

Abstract and Applied Analysis 2011

7

2011

Stability of a monotonic solution of a non-autonomous multidimensional delay differential equation of arbitrary (fractional) order

A El-Sayed, EM El-Maghrabi

Electronic Journal of Qualitative Theory of Differential Equations 2008 (16 …

7

2008

On some basic properties and applications of the fractional calculus

AMA El-Sayed

Pure Mathematics and Applications 8 (2-4), 247-259

7

1997

Further nonlinear dynamical analysis of simple jerk system with multiple attractors

AR Elsonbaty, AMA El-Sayed

Nonlinear Dynamics 87 (2), 1169-1186

6

2017

Discontinuous dynamical systems and fractional-orders difference equations

AMA El-Sayed, ME Nasr

Journal of Fractional Calculus and Applications 4 (1), 130-138

6

2013

Dynamic Properties of the Predator–Prey Discontinuous Dynamical System

AMA El-Sayed, ME Nasr

Zeitschrift für Naturforschung A 67 (1-2), 57-60

6

2012

INTERNAL NONLOCAL AND INTEGRAL CONDITION PROBLEMS OF THE DIFFERENTIAL EQUATION x'= f (t, x, x').

AMA El-Sayed, EM Hamdallah, KW Elkadeky

Journal of Nonlinear Sciences & Applications (JNSA) 4 (3)

6

2011

On the fractional-order logistic equation with two different delays

AMA El-Sayed, HAA El-Saka, EM El-Maghrabi

Zeitschrift für Naturforschung A 66 (3-4), 223-227

6

2011

Continuation and maximal regularity of an arbitrary (fractional) order evolutionary integro-differential equation

AMA El-Sayed, MAE Herzallah

Applicable Analysis 84 (11), 1151-1164

6

2005

Continuous solutions of some fractional order integral equations

HAH Salem, AMA El-Sayed

Annales Societatis Mathematicae Polonae. Seria 1: Commentationes …

6

2002

A study of projectile motion in a quadratic resistant medium via fractional differential transform method

AMA El-Sayed, HM Nour, WE Raslan, ES El-Shazly

Applied Mathematical Modelling 39 (10-11), 2829-2835

5

2015

Synchronization of different dimensional chaotic systems with time varying parameters, disturbances and input nonlinearities

AMA El-Sayed, A Elsaid, HM Nour, A Elsonbaty

Journal of Applied Analysis and Computation 4 (4), 323-338

5

2014

Eigenvalue problem for Elliptic partial differential equations with nonlocal boudary conditions

AMA El-Sayed, MS El-Azab, A Elsaid, SM Helal

Journal of Fractional Calculus and Applications 5, 1-11

5

2014

Positive continuous solution of a quadratic integral equation of fractional orders

AMA El-Sayed, HHG Hashem, YMY Omar

Mathematical Sciences Letters 2 (1), 19-27

5

2013

A coupled system of integral equations in reflexive banach spaces

AMA El-Sayed, HHG Hashem

Acta Mathematica Scientia 32 (5), 2021-2028

5

2012

On some dynamical properties of the discontinuous dynamical system represents the Logistic equation with different delays

AMA El-Sayed, ME Nasr

i-Manager's Journal on Mathematics 1 (1), 29

5

2012

Maximal and minimal positive solutions for a nonlocal boundary value problem of a fractional-order differential equation

AMA El-Sayed, EO Bin-Taher

Journal of Fractional Calculus and Applications 1 (7), 1-8

5

2011

Fractional calculus and generalized Rodrigues formula

SZ Rida, AMA El-Sayed

Applied mathematics and computation 147 (1), 29-43

5

2004

Sturm-Liouville equation of fractional order

AMA El-Sayed, FM Gaafar

Kyungpook mathematical journal 37 (1), 9-9

5

1997

The eigenvalue problem for elliptic partial differential equation with two-point nonlocal conditions

A Elsaid, SM Helal, A El-Sayed

JOURNAL OF APPLIED ANALYSIS AND COMPUTATION 5 (1), 146-158

4

2015

Enabling the genomic revolution in Africa

E Matovu, A El Sayed, AO Mocumbi, A Macleod, A Motala, B Keavney, ...

Science

4

2014

SOLUTIONS OF A CLASS OF INTERNAL NONLOCAL CAUCHY PROBLEMS FOR THE DIFFERENTIAL EQUATION x'(t)= f (t, x (t), x'(t))

AMA El-Sayed, EM Hamdallah, KW Elkadeky

FIXED POINT THEORY 15 (2), 441-448

4

2014

Uniformly stable solution of a nonlocal problem of coupled system of differential equations

AMA El-Sayed, RO Abd-El-Rahman, M El-Gendy

Ele-Math-Differential Equattions and applications 5 (3), 355-365

4

2013

Uniformly stable positive monotonic solution of a nonlocal Cauchy problem

AMA El-Sayed, EM Hamdallah, KW Elkadeky

Advances in pure Mathematics 2 (02), 109

4

2012

Continuation of a parameterized impulsive differential equation to an internal nonlocal Cauchy problem, Alex

AMA El-Sayed, I Ameen

Jour. Math 2, 1-7

4

2011

Analytical and numerical solution of multi-term nonlinear differential equations of arbitrary orders

AMA El-Sayed, MM Saleh, EAA Ziada

Journal of Applied Mathematics and Computing 33 (1-2), 375-388

4

2010

A. On some routh-hurwitz conditions for fractional order differential equations and applications in Lorzen Rossler, Chua and Chen systems

E Ahmcd, AMA EI-Sayed, HA EI-Saka

Physics Letters A 358, 1-4

4*

2006

Exact solution of linear differential equations of fractional order

AMA El-Sayed, FM Gaafar

Kyungpook mathematical journal 37 (2), 181-181

4

1997

Eigenvalues and eigenfunctions of non-local boundary value problems of the Sturm-Liouville equation

AMA EL-Sayed, ZFA EL-Raheem, NAO Buhalima

Electronic Journal of Mathematical Analysis and Applications 5 (1), 179-186

3

2017

On a fractional-order delay Mackey-Glass equation

AMA El-Sayed, SM Salman, NA Elabd

Advances in Difference Equations 2016 (1), 137

3

2016

On the stochastic fractional calculus operators

AMA El-Sayed

Journal of Fractional Calculus and Applications 6 (1), 101-109

3

2015

Existence of solution of a coupled system of differential equation with nonlocal conditions

AMA El-Sayed, RO Abd-El-Rahman, M El-Gendy

Malaya Journal Of Matematik 2 (4), 345-351

3

2014

Existence results for nonlinear quadratic functional integral equations of fractional orders

AMA El-Sayed, HHG Hashem

Miskolc Math. Notes 14, 79-88

3

2013

Discontinuous dynamical systems generated by a semi-discretization process

AMA El-Sayed, SM Salman

Electronic Journal of Mathematical Analysis and Applications 1 (1), 47-54

3

2013

Monotonic positive solutions of nonlocal boundary value problems for a second-order functional differential equation

AMA El-Sayed, EM Hamdallah, KW El-Kadeky

Abstract and Applied Analysis 2012

3

2012

Adomian solution of multidimensional nonlinear differential equations of arbitrary orders

AMA El-Sayed, IL El-Kallab, EAA Ziada

International Journal of Applied Mathematics and Mechanics 6 (4), 38-52

3

2010

On a mixed-type integral equation and fractional-order functional differential equations

AMA El-Sayed, N Sherif, IA Ibrahim

Commentationes Mathematicae-Prace Matematyczne-Seria 1-Rocz Polsk Towarz …

3

2005

A nonlinear operator functional equation of Volterra type

AMA El-Sayed, N Sherif, IA El-Farag

Applied mathematics and computation 148 (3), 665-679

3

2004

Continuous dependence of the solution of Ito stochastic differential equation with nonlocal conditions

AMA El-Sayed, F Gaafar, M El-Gendy

Applied Mathematical Sciences 10 (40), 1971-1982

2

2016

The unified system between Lorenz and Chen systems: a discretization process

AMA El-Sayed, SM Salman

Electron. J. Math. Anal. Appl 1, 318-325

2

2013

Positive solutions for a nonlocal boundary-value problem of a class of arbitrary (fractional) orders differential equations

AMA El Sayed, EO Bin-Tahir

Int. J. Nonlinear Sci. Numer. Simul 14 (4), 398-404

2

2012

A; Elkadeky, Kh. W.; Caratheodory theorem for a nonlocal problem of the differential equation x= f (t, x), Alex

AM El-Sayed

J. of Math 1 (2), 8-14

2

2010

Integrable solutions for quadratic Hammerstein and quadratic Urysohn functional integral equations

AMA El-Sayed, HHG Hashem

Commentationes Mathematicae 48 (2), 199-207

2

2008

Simulation of the approximate solutions of the time-fractional multi-term wave equations

EA Abdel-Rehim, AMA El-Sayed, AS Hashem

Computers & Mathematics with Applications 73 (6), 1134-1154

1

2017

Stabilization of coupled systems of quadratic integral equations of Chandrasekhar type

HHG Hashem, AMA ElSayed

Mathematische Nachrichten 290 (2-3), 341-348

1

2017

Volterra-Stieltjes integral equation in reflexive Banach spaces

AMA El-Sayed, WG El-Sayed, AAHA El-Mowla

Electronic Journal of Mathematical Analysis and Applications 5 (1), 287-293

1

2017

Numerical behavior of a fractional order dynamical model of RNA silencing

AMA El-Sayed, M Khalil, AAM Arafa, A Sayed

International Journal of Scientific World 4 (2), 52-56

1

2016

Eigenvalues and eigenfunctions of a non-local boundary value problem of Sturm–Liouville differential equation

NAOB A. M. A El-Sayed, Zaki. F. A. EL-Raheem

Global Journal of Pure and Applied Mathematics 12 (5), 3885–3893

1

2016

On the maximal and minimal solutions of the nonlocal problem of Itô Stochastic Differential Equation

AMA El-Sayed, RO ABDELRAHMAN, M El-Gendy

Nonlinear Analysis and Differential Equations 4 (6)

1

2016

A Mathematical Model with Memory for Propagation of Computer Virus Under Human Intervention

AMA El-Sayed, AAM Arafa, M Khalil, A Hassan

Progr. Fract. Differ. Appl 2, 105-113

1

2016

On the fractional-order Nicholson equation

AMA El-Sayed, SM Salman, NA Elabd

Appl. Math. Sci 10 (11), 503-518

1

2016

Chaotic dynamics and synchronization of cournot duopoly game with a logarithmic demand function

AMA El-Sayed, AA Elsadany, AM Awad

Applied Mathematics & Information Sciences 9 (6), 3083

1

2015

On some equivalent problems of stochastic differential equations of fractional order

AMA EL-SAYED, EE EL-ADDAD, HFA MADKOUR

Journal of Fractional Calculus and Applications 6 (2), 115-122

1

2015

A new chaotic behavior of a general model of the Henon map

AMA El-Sayed, ZFE El-Raheem, SM Salman

Advances in Difference Equations 2014 (1), 107

1

2014

On some dynamics of Duffing dynamical system generated by a semi-discretization process with two different delays

AMA El-Sayed, ZF El-Raheem, SM Salman

Mathematical Sciences Letters 3 (2), 89

1

2014

Continuation of a parameterized impulsive differential equation to an initial value problem

AMA El-Sayed, AS Abdel-Rady, SZ Rida, I Ameen

Journal of Mathematical and Computational Science 2 (4), 847-852

1

2012

A multi-term fractional-order differential equation with nonlocal condition

AMA El-Sayed, EO Bin-Taher

1

2012

A homotopy perturbation technique for solving partial differential equations in finite domains

A El-Sayed, I El-Kalla, A Elsaid, D Hammad

Journal of Mathematical and Computational Science 2 (2), 138

1

2012

On applications of Ulam-Hyers stability in biology and economics

E Ahmed, AMA El-Sayed, HAA El-Saka, GA Ashry

arXiv preprint arXiv:1004.1354

1

2010

On an operator functional equation in L1df, o and Volterra0Fredholm type integral equations

AMA El0Sayed, N SheriF, IA El0Farag

1

2003

Abstract differential equations of arbitrary (fractional) orders

A El-Sayed

Proceedings of Equadiff 9, 93-99

1

1998

Existence of solution for a coupled system of Urysohn-Stieltjes functional integral equations

AMA El-Sayed, MMA Al-Fadel

Tbilisi Mathematical Journal 11 (1), 117-125

2018

Analytical study of global bifurcations, stabilization and chaos synchronization of jerk system with multiple attractors

A Elsonbaty, AMA El-Sayed

Nonlinear Dynamics 90 (4), 2637-2655

2017

Existence of integrable solutions for a functional integral inclusion.

AMA El-Sayed, FM El-Haddad

Differential Equations & Control Processes

2017

Solvability of a stochastic differential equation with nonlocal and integral conditions.

AMA El-Sayed, MEI El-Gendy

Differential Equations & Control Processes

2017

Weak solutions of fractional order differential equations via Volterra-Stieltjes integral operator

AMA El-Sayed, WG El-Sayed, AAH El-Mowla

Journal of Mathematics and Applications 40, 85-96

2017

Eigenvalues and eigenfunctions for regular sturm-liouville equation with non-local boundary conditions

AON El-Sayed, A.M.A., El-Raheem, F.A.Z., Buhalima

International Journal of Pure and Applied Mathematics 112 (1), 103-113

2017

Time evolution of the approximate and stationary solutions of the Time-Fractional Forced-Damped-Wave equation

ASH A. M. A. El-Sayed, E. A. Abdel-Rehim

Tbilisi Mathematical Journal 10 (1), 127-144

2017

STABILITY ANALYSIS AND CHAOS CONTROL OF THE DISCRETIZED FRACTIONAL-ORDER MACKEY-GLASS EQUATION

AMA EL-SAYED, SM SALMAN, NA ELABD

Journal of Fractional Calculus and Applications 8 (1), 16-28

2017

Dynamic behavior and chaos control in a complex Riccati-type map

AMA El-Sayed, SM Salman

Quaestiones Mathematicae 39 (5), 665-681

2016

On the weakly continuous solutions of a coupled system of functional integral equations.

AM El-Sayed, RO El Rahman, FM Gaffar, NFM El-haddad

Differential Equations & Control Processes

2016

On the existence of weakly continuous solutions of the nonlinear functional equations and functional differential equations in reflexive and nonreflexive Banach spac...

AMA El-Sayed, WG El-Sayed, AAH Abd El-Mowla

Differential Equations & Control Processes

2016

Weak Solutions of a Functional Integral Equation in Reflexive Banach Space

AMA El-Sayed, NFM El-haddad

2016

On some boundary-value problems of functional integro-differential equations with nonlocal conditions

MSHMKMOM A. M. A. El-Sayed

Malaya J. Mat. 5 (2), 186–193

2016

On the maximal and minimal solutions of a nonlocal problem of a delay stochastic differential equation

FGMEG A. M. A. El-Sayed

Malaya journal of matematik 4 (3), 497-504

2016

Continuous dependence of the solution of a stochastic differential equation with nonlocal conditions

ROAERMEG A. M. A. El-Sayed

Malaya journal of matematik 4 (3), 488-496

2016

Existence of solutions of $q$-functional integral equations with deviated argument

ROAERMMEH A. M. A. El-Sayed, Fatma. M. Gaafar

Malaya journal of matematik 4 (3), 373-379

2016

On a Nonlinear Functional Integro-Differential Equation in Reflexive Banach Space

AMA El-Sayed, WG El-Sayed, AAHA El-Mowla

International Journal of Mathematical Analysis 10 (11), 531-543

2016

On a Nonlocal (Two Point) Boundary Value Problem of a Nonlinear Functional Integro-Differential Equation of Arbitrary (Fractional) Order

AMA El-Sayed, WA Hamed

International Journal of Mathematical Analysis 10 (7), 329-338

2016

SOLUTION OF A PARABOLIC WEAKLY-SINGULAR PARTIAL INTEGRO-DIFFERENTIAL EQUATION WITH MULTI-POINT NONLOCAL BOUNDARY CONDITIONS

AMA EL-SAYED, SM HELAL, MS EL-AZAB

Journal of Fractional Calculus and Applications 7 (1), 1-11

2016

Solvability of Nonlinear Quadratic Functional Equations

HHG Hashem, AMA El-Sayed

Applied Mathematics & Information Sciences 9 (5), 2715

2015

Existence of a unique solution of a coupled system of integro-differential equations with nonlocal conditions

AMA El-Sayed, OE Tantawy, AA Hilal

Global Journal of Mathematics 3 (3), 339-345

2015

Existence of solution for a coupled system of Volterra type integro-dierential equations with nonlocal conditions

A Abbas, AMA El-Sayed

JOURNAL OF ADVANCES IN MATHEMATICS 11 (3), 5033-5040

2015

On a nonlocal boundary value problem of a coupled system of Volterra functional integro-dierential equations.

Y Noaman, AMA El-Sayed

JOURNAL OF ADVANCES IN MATHEMATICS 11 (3), 5041-5049

2015

On a two (nonlocal) point boundary value problem of arbitrary (fractional) orders integro-differential equation

W Hamad, AMA El-sayed, OE Tantawy

JOURNAL OF ADVANCES IN MATHEMATICS 11 (2), 3996-4001

2015

EXISTENCE OF AT LEAST ONE CONTINUOUS SOLUTION OF A COUPLED SYSTEM OF URYSOHN INTEGRAL EQUATIONS

AMA EL-SAYED, MR KENAWY

Journal of Fractional Calculus and Applications 5 (2), 166-175

2014

Theory, methods, and applications of fractional calculus

A Atangana, A Kiliçman, SC Oukouomi Noutchie, A Secer, SS Ray, ...

The Scientific World Journal 2014

2014

SOLVABILITY OF COUPLED SYSTEMS OF FRACTIONAL ORDER INTEGRO-DIFFERENTIAL EQUATIONS

HHG Hashem, AMA El-Sayed

Journal of the Indonesian Mathematical Society 19 (2), 111-121

2014

Nonlocal and integral conditions problems for a multi-term fractional-order differential equation

AMA El-Sayed, EO Bin-Taher

Miskolc Mathematical Notes 15 (2), 439-446

2014

A comparison of Semi-analytical Methods for Solving Partial Integro-Differential Equations

AF Soliman, MS El-Azab, M El-Gamel, AMA El-Sayed

Mathematical Sciences Letters 2 (2), 143

2013

Uniformly Stable Continuous Solutions Of A Functional Differential Inclusions

AMA El-Sayed, FM Gaffar, NFM El-haddad

i-Manager's Journal on Mathematics 2 (2), 1

2013

Discontinuous dynamical system represents the Logistic retarded functional equation with two different delays

AMA El-Sayed, ME Nasrb

Malaya Journal of Matematik 1 (1), 50-56

2013

Journal contents on-line

AMA El-Sayed, HHG Hashem

Journal contents on-line 14

2013

Uniformly stable solutions of the functional inclusions

AMA El-Sayed, FM Gaffar, NFM El-Haddad

i-Manager's Journal on Mathematics 1 (4), 1

2012

PICARD AND ADOMIAN DECOMPOSITION METHODS FOR A COUPLED SYSTEM OF QUADRATIC INTEGRAL EQUATIONS

AM El-Sayed, HHG Hashem, EAA Ziada

Journal of Nonlinear Analysis and Optimization: Theory & Applications 3 (2 …

2012

A homotopy perturbation technique for solving partial differential equations of fractional order in finite domains

D Hammad, IL El-Kalla, AMA El-Sayed, A Elsaid

2012

On a Complex Logistic Difference Equation

AA Elsadany, AMA El-Sayed

Int. J. Modern Math. Sci 4 (1), 37-47

2012

Numerical Solutions for Nonlocal Problem of Partial Differential Equations with Deviated Boundary Conditions

AMA El-Sayed, A Elsaid, S Helal

American Academic & Scholarly Research Journal 4 (1), 1-5

2012

MEASURABLE-LIPSCHITZ SELECTIONS AND SET-VALUED INTEGRAL EQUATIONS OF FRACTIONAL ORDER

AMA El-Sayed, Y Khouni

Journal of Fractional Calculus and Applications 2 (5), 1-8

2012

On Solutions of Generalized Bacterial Chemotaxis Model in a Semi-Solid Medium

AMA El-Sayed, SZ Rida, AAM Arafa

Applied Mathematics 2 (12), 1515

2011

Solutions of a class of nonlocal problems for the differential inclusion ......

HEME El-Sayed A M A

Applied Mathematics and information sciences 5 (3), 4135-4215

2011

Monotonic continuous solution for a mixed type integral inclusion of fractional order

AMA El-Sayed, SM Al-Issa

Journal of Mathematics and Applications 33, 27-34

2010

Global Integrable Solution for a Nonlinear Functional Integral Inclusion

AMA El-Sayed, SM Al-Issa

SRX Mathematics 2010

2010

Addendum to integrable and continuous solutions of a nonlinear quadratic integral equation

AMA El-Sayed, HHG Hashem

Electronic Journal of Qualitative Theory of Differential Equations 2009 (51 …

2009

Integrable and continuous solutioins of a nonlinear quadratic inegral equation (pg 1, 2008)

AMA El-Sayed, HHG Hashem

ELECTRONIC JOURNAL OF QUALITATIVE THEORY OF DIFFERENTIAL EQUATIONS, 1-1

2009

Positive integrable solutions for nonlinear integral and differential inclusions of fractional-orders

S Al-Issa, AMA El-Sayed

Commentationes Mathematicae 49 (2), 171-177

2009

Weak solutions of a fractional-order nonlocal boundary value problem in re exive Banach spaces

AMA El-Sayed, ESSA Abd

Дифференциальные уравнения и процессы управления, 30-40

2008

On a Higher Fractional-Orders Parabolic Equation

AMA El-Sayed, EM Hamd-Allah

MATHEMATICAL SCIENCES RESEARCH JOURNAL 9 (5), 114

2005

FRACTIONAL CALCULUS AND INTERMEDIATE PHYSICAL PROCESSES

AMA El-Sayed

ON MATHEMATICS AND ITS APPLICATIONS (ICMA 2004) April 5-7, 2004, 417

2004

Solução numérica para termo multi-fracionada (arbitrária) equações diferenciais ordens

AMA El-Sayed, AEM El-Mesiry, HAA El-Saka

Computational & Applied Mathematics 23 (1), 33-54

2004

Nonlinear retarded functional differential equations of arbitrary (fractional) orders

AMA El-Sayed

Equadiff 99: (In 2 Volumes), 1393-1395

2000

Response of some cotton CVS to sodium and boron levels in irrigation water

SM Gawish, AA Ibrahim, AH El-Sayed

Mansoura Journal of Agricultural Sciences (Egypt)

1992

ON A SEMILINEAR VOLTERRA EQUATION

AMA El-Sayed

Bulletin of the Faculty of Science: Mathematics 19 (2), 23

1990

Initial value problem of a higher order parabolic equation

A El-Sayed

Periodica Mathematica Hungarica 19 (2), 143-147

1988

Post-natal studies of the nasal cavity of dog [Egypt]

AA Abbas, MSS Ewais, MS Ammar, AA El-Sayed, YH Badawy

Zagazig Veterinary Journal (Egypt)

1981

ARPLIE© MATHEMATICS

SR GRACE, AMA EL-SAYED, AG IBRAHIM, K SELVAKUMAR, ...

Existence of strongly continuous solutions for a functional integral inclusion

AMA El-Sayeda, NFM El-haddadb

Existence of solutions of q-functional integral equations with deviated argument

AMA El-Sayeda, FMGRO Abd-El, RMM El-Haddadb

The Role of New Technology in Developing some Fields of Mathematics: Integral and Differential Equations

AMA El-Sayed, EAA Ziada

Backward Bifurcation in a Fractional Order Epidemiological Model

AMA El-Sayed, AAM Arafa, M Khalil, A Sayed

PAijpam. eu

AMA El-Sayed, FA EL-Raheem, AO Buhalima, L Albeda

On some boundary-value problems of functional integro-differential equations with nonlocal conditions

MSHMKMOM A. M. A. El-Sayed

Malaya J. Mat. 5 (2), 186–193

CONTINUOUS DEPENDENCE OF THE SOLUTION OF RANDOM FRACTIONAL–ORDER DIFFERENTIAL EQUATION WITH NONLOCAL CONDITIONS

AMA EL-SAYED, F GAAFAR, M EL-GENDY

On the Cauchy problem of a delay stochastic differential equation of arbitrary (fractional) orders

AMA El-Sayed, EE Eladdad, HFA Madkour

On some dynamic behavior of the discontinuous Duffing dynamical system generated by a semi-discretization process with two different delays

AMA El-Sayed, ZF El-Raheem, SM Salman

Theory, Methods, and Applications of Fractional Calculus

SCO Noutchie, A Secer, SS Ray, AMA El-Sayed

Maximal and minimal positive solutions of a nonlinear quadratic integral equation

AMA El-Sayed, MS MOHAMED, NAO Buhalima

Functional Equations and Discontinuous Dynamical Systems

AMA El-Sayed

EXISTENCE OF CONTINUOUS SOLUTION FOR A QUADRATIC INTEGRAL EQUATION OF CONVOLUTION TYPE

AMA EL-SAYED, MSH MOHAMED, YMY OMAR

Numerical Study of a Parabolic Partial Integro-Differential Equation with Non-local Boundary Conditions

AMA El-Sayed, MS El-Azab, A Elsaid, SM Helal

EXISTENCE OF A UNIQUE CONTINUOUS SOLUTION FOR A QUADRATIC INTEGRAL EQUATIONS

AMA EL-SAYED, MSH MOHAMED, NAO BUHALIMA

On some impulsive differential equations

I Ameen, SZ Rida, AMA El-Sayed, AS Abdel-Rady

Процессы Управления

AMA El-Sayed, SAA El-Salam

Control Processes

AMA El-Sayed, SAA El-Salam