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أ.د/ حسن احمد السيد المرشدى، أستاذ بقسم: الرياضيات، بكلية: العلوم

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الأبحاث العلمية

Global attractivity in a population model with nonlinear death rate and distributed delays
J. Math. Anal. Appl. , 410 (2014) 642–658
HASSAN A. EL-MORSHEDY
1 - تحميل الملف
 

Oscillation of first order linear differential equations with several non-monotone delays
Open Mathematics
E.R. Attia
V. Benekas
H.A. El-Morshedy
I.P. Stavroulakis
1 - تحميل الملف
 

Geometric methods of global attraction in systems of delay differential equations
Journal of Differential Equations
Hassan A El-Morshedy
Alfonso Ruiz-Herrera
1 - تحميل الملف
 

On the distance between adjacent zeros of solutions of first order differential equations with distributed delays
Electronic Journal of Qualitative Theory of Differential Equations, 2016, No. 8, 1–14.
H. A. El-Morshedy
ER Attia
1 - تحميل الملف
 

Global dynamics of delay recruitment models with maximized lifespan
Zeitschrift für angewandte Mathematik und Physik, (2016) 67:56
Hassan A El-Morshedy
Gergely Röst
Alfonso Ruiz-Herrera
1 - تحميل الملف
 

New oscillation criterion for delay differential equations with non-monotone arguments
Applied Mathematics Letters, 54(2016), 54–59.
Hassan A El-Morshedy
Emad R Attia
1 - تحميل الملف
 

On the distribution of zeros of solutions of a first order neutral differential equation
Scientific Journal for Damietta Faculty of Science , Vol.4,Pages 1-9,2015
Faroq A . Baker, Hassan A. El-Morshedy
1 - تحميل الملف
 

The distribution of zeros of all solutions of first order neutral differential equations
Applied Mathematics and Computation, Vol.259, Pages 777-789,2015
Faroq A Baker
Hassan A El-Morshedy
1 - تحميل الملف
 

Dynamics of some Rational Difference Equations
Journal of Computational Analysis & Applications , 18 (6)2015
H El-Metwally
EM Elsayed
H El-Morshedy

The global attractivity of a rational difference equation with variable delays
J. Differ. Equations Appl., 1481–1489, 2010
HASSAN A. EL-MORSHEDY
1 - تحميل الملف
 

summation averaging technique for the oscillation of second order linear difference equations
publ. math. debrecen , 333-347, 1999
SAID R. GRACE
HASSAN A. EL-MORSHEDY
1 - تحميل الملف
 

Periodic points and stability in clark’s delayed model
Nonlinear Anal.: Real World Applications , 776–790, 2008
HASSAN A. EL-MORSHEDY
E. LIZ
V. J. LOPEZ
1 - تحميل الملف
 

oscillation of some nonlinear difference equations
j. math. anal. appl., 10-21, 2003
SAID R. GRACE
HASSAN A. EL-MORSHEDY
1 - تحميل الملف
 

oscillation criteria of comparison type for second order difference equations
j. appl. anal., 87-103, 2000
SAID R. GRACE
HASSAN A. EL-MORSHEDY
1 - تحميل الملف
 

Oscillation criteria for certain second order nonlinear difference equations
Bull. Austral. Math. Soc., 95-108, 1999
SAID R. GRACE
HASSAN A. EL-MORSHEDY
1 - تحميل الملف
 

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