Personal Data

Personal Data:

Name

Nationality

Place of

Birth

Date of Birth Gender Marital Status

Frist Middle Family

Egyptian ElDakahlia

Egypt

Male Married

Ahmed Mohamed Ahmed

General Specialization Applied Mathematics Specialization Differential Equations

Current Position

Scientific Title

Professor Professor Associate Assistant Professor Lecturer Other

Highest degree/ Date Ph. D. of

ِ

Applied Mathematics

ID Number

College Science Department Mathematics

Contact Data:

Address Department of

Mathematics- College of Science – Jouf University.

E-mail address (official)

Work Phone no. (Internal phone number

)

4603 E-mail address (personal)

Home phone number ---- Personal site optional

Mobile Fax

Mailbox

^Postal

code

2014

Education (Bachelor, Master, PhD, Other):

No. Qualification Date Degree University Collage Scientific Department

Specialization

General Specific

1

B. Sc. 1997 Excellent Al-Azhar University

Science Mathematics Mathematics

2

M. Sc. 2001 Al-Azhar

University

Science Mathematics

^ِ

^Applied

Mathematics Differential Equations

3

Ph. D. 2004 Al-Azhar

University

Science Mathematics

^ِ

^Applied

Mathematics Differential Equations EmploymentQualifications :

Job Job Title University

Degree

Workplace Date Work duty Years of

Experience

From To

Academic Professor Ph. D. Jouf University 2018 Now Teaching &

Scientific Research

One Year

Other

Participation in scientific conferences and symposiums

No.

Title of the conference or symposium Held in _Year

1 Workshop on Mathematical Analysis and Applications Cairo University,

Cairo - Egypt

4002

2 Two weeks on Global Analysis Centro De

Giorgi, Scuola Normale Superiore Pisa, Italy

2005

3 Advanced School and Workshop on Singularities in Geometry and Topology Abdus Salam ICTP, Trieste, Italy

2005

4 Summer School on Resolution of Singularities Abdus Salam

ICTP, Trieste, Italy

2006

5 ^8th International Scientific Conference, AL-Azhar University “Environment, Development and Bioinformatics”

Cairo, Egypt.

2012

Supervision of undergraduate:

No. Thesis Title _M.Sc. ^Degree _Ph.D. ^{University Year Collage Department}

1

Study on behavior of Difference Equations of Order greater than One

 Al-Azhar

University

4102 Science Mathematics

2

On Asymptotic behavior of Solutions of Difference Equations of Order greater than One

Al-Azhar University

4102 Science Mathematics

3

Study on global behavior of Solutions of Some Difference Equations

Al-Azhar University

4102 Science Mathematics

4

Study on Difference Equations of the Al-Azhar 4102 Science Mathematics

Membership of specialized committees and associations :

No. ^{Committee Period Place}

1

Member of the Mathematics Department Committee –

2012-2018 College of Science – Al-Azhar University

2

Member of Change of the Plan of Mathematics Department Committee

College of Science – Al-Azhar University

3 4

Training courses and workshops:

No. courses / workshop Specialization Held in Year

1 2 3

Second order University

5

Hilbert and Hardy's inequalities on Time Scales

Al-Azhar University

4102 Science Mathematics

4 5 6

Skills:

Skills

1

^AMSTex

2

^{MS Excel}

3

Scientific Workplace

4

Mathematica

Community, cultural and volunteer contributions:

No. activity Type of activity Period

1 2 3

Awards and honors:

No. Award Awarded by Specialization Period

1

2

3

Administrative positions

No. Position Organization Country Period

1 2

Languages:

language Speaking Writing Reading

Arabic   

English   

Authoring Books

No. Book Title ISBN Co-Author Edition Number

of Pages

Book

Language PublicationDate

1 2 3 4 5 6

Scientific Publication:

No. ^{Title Publisher} Year of Publication

1

On the difference equation

1

2 1

1

...









 







 

k n

k n n

n

n x

x x

x

x a   

, Elsevier

4002

2

On asymptotic behavior of the difference equation _p

n p n

n x

x _1 



 x ^1, Springer

2003

3

On the recursive sequences

n n

n x

x x



  ^

 

 ₁

1

Elsevier

2003

4

On asymptotic behavior of the difference equation

n k n

n x

x _1   x ^{ Elsevier}

2004

5

Global attractivity of the recursive sequence

n n

n x

x x



  ^

 



 ₁

1

Elsevier

2004

6

Global attractivity of the recursive sequence

n k n

n x

x x



  ^

 





1

Asan : Korean SIGCAM, Kaesu-Hall and KSCAM Korea,

2004

7

On the dynamics of the recursive Sequence _p

n n

n x

x x

2 1 1



   



 Elsevier

2005

8

On the dynamics of the recursive sequence

n n n

n x

x x x



  ^

 1

2 1



 , Calcutta, India

4002

9

On the dynamics of the recursive sequence

2 2

1 1



    n n

n A Bx

x bx , Rostock : Univ.

4002

10

Global attractivity of the recursive sequence

) (

1 1

n n

n g x

x x



  ^

 



 , Asan : Korean

SIGCAM, Kaesu-Hall and KSCAM Korea,

4002

11

On the dynamics of the recursive sequence

n k n n

n x

x x x



  ^

 1

2 1



 , Azhar

Magazine

4002

12

On the recursive sequence _k

n n

n A Bx

bx x a



  ^

 1

1

Asan : Korean SIGCAM, Kaesu-Hall and KSCAM Korea

4002

13

Global attractivity of a higher order rational difference equation Allahabad : Scientific Advances Publishers

4002

14

On the dynamics of the recursive sequence _q

n p n n

n A Bx x

x bx

2 1 1



    Allahabad :

Scientific Advances Publishers

4002

15

On the recursive sequence _k

n n

n A Bx

bx x a

1 1



 

  , Elsevier

4022

16

On the Dynamics of a Higher-Order Rational Difference Equation, Hindawi

4022 17

A Solution Form of a Class of Higher-Order Rational Difference Equations, Elsevier

4022

18

On the Dynamics of ₁ ¹

1

n n k

n

n n k

a x x

x x x

 



 

 



Asan : Korean SIGCAM, Kaesu-Hall and KSCAM Korea

4022

19

On the Dynamics of a System of Rational Difference Equations, Waterloo, Ont.

: Watam Press

4022 20

On the dynamics of the recursive sequence _{1 2} ¹ ₂

2 4 2 4

n

n p q

n n n n

x x

x x x x



  ^ 



   

  

Allahabad : Scientific Advances Publishers

4022

21

Basin of attraction of the recursive sequence ₁

2 n n

n

x x

 x





  South Valley

University

4022 22

On the dynamics of the recursive sequence _{1 2}¹

1 n n

n n

x x

p qx x

 



  

Allahabad : Scientific Advances Publishers

4022

23

Dynamics of a three-dimensional systems of rational difference equations New York :

Wiley.

4022

24

The expressions of solutions and the periodicity of some rational difference equations systems

Allahabad : Scientific Advances Publishers

4022

25

On globally asymptotic stability of a rational difference equation Southeast

4022

Asian

Mathematical Society

26

Attractivity of the recursive sequence ₁ ²

1

 



 

 ⁿ

n

n

A Bx

x C Dx

Elsevier

4022

27

Fractional Calculus Model for the Hepatitis C with Different Types of Virus Genome New York, NY : Science Publishing Group

4022

28

A Fractional-Order Model for the Spread of Pests in Tea Plants Hauppauge : Nova Science Publishers

4022

29

Dynamics of a Plant-Herbivore Model with Fractional Order Natural

Sciences Publishing

4022 30

Stability and Bifurcation Analysis in a Discrete-Time Generalist Predator-Prey Dynamics

Model with Fractional-Order

Baku Turkic World

Mathematical Society

4022

31

Permutation Groups and Periodicity of Systems of Difference Equations, Journal of the Egyptian Mathematical Society.

Elsevier

2018

23

Some Dynamic Inequalities of Hilbert’s Type, Journal of Function Spaces Hindawi

2020 33

Global behavior of a nonlinear higher-order rational difference equation, Journal of

Computational Analysis and Applications

Eudoxus Press,

LLC

2021

References:

No. ^{Name Job Address E-Mail Tel.}

1 Prof. abdel Shafi Fami Obada

Professor Department of Mathematics- College of Science – Al-Azhar University.

asobada1@yahoo.com

2 Prof. Hassan Professor Department of Mathematics- hel_owaidy@yahoo.com

Mostafa El- Owaidy

College of Science – Al-Azhar

University.