Email: emmelsayed@yahoo.com
Research Interests: Difference Equations ( Local stability, Global Stability, Boundedness, Semi-Cycles, Oscillation, Periodicity and How to find the solutions of some difference equations, Systems of Difference equations { Find the solutions – Studying Behavior of the solutions}).
Biography: Mathematics Department, Faculty of Science, King AbdulAziz University, Kingdom of Saudi Arabia.
Attended these conferences:-
- Dynamical Systems, Faculty of Science, Alexandria University, Alexandria, 11 May - 2006.
- 9th International Conference on Chemistry and its Role in Development, Mansoura – Sharm El-Sheikh, EGYPT, April 16-19, 2007.
- Dynamical Systems, Faculty of Science, Assiut University, Assiut, EGYPT, 16 April - 2007.
- School on Algebraic Approach to Differential Equations, Bibliotheca Alexandrina, Alexandria, Egypt, 12 - 24 November 2007.
- Space Technology and its Role in Comprehensive Development, Faculty of Science, Mansoura University, Mansoura, EGYPT, 4 - March - 2008.
- Mathematical Analysis and its Applications, Department of Mathematics, Faculty of Science, Cairo University, EGYPT, Thursday, April 17, 2008.
- Mathematics in Biological Sciences, Germany University in Cairo, Cairo, EGYPT, Thursday, May 21, 2009.
- Developing in Teaching Mathematics at the University Stage According to the International Criteria of Quality, Faculty of Science, Cairo University, EGYPT, Wednesday, June 10, 2009.
- Numerical Methods for Linear and Nonlinear Systems, Department of Mathematics, Faculty of Science, Cairo University, EGYPT, Thursday, June 25, 2009.
Papers presented in Conferences:-
- E. M. Elabbasy, H. El-Metwally, and E. M. Elsayed, On the Periodic Nature of some Max-type Difference Equations, International Conference on Delay Differential and Difference Equations with Applications, August 25-29, 2003, Veszprém, Hungary.
- E. M. Elabbasy, H. El-Metwally, and E. M. Elsayed, Periodicity Character of Solutions of some Difference Equations, 4th International Engineering Conference, April 20-22, 2004, Mansoura, EGYPT.
- E. M. Elabbasy, H. El-Metwally, and E. M. Elsayed, On the Difference Equation , Dynamical Systems, May 11, 2006, Alexandria, EGYPT.
- E. M. Elabbasy, H. El-Metwally, and E. M. Elsayed, Qualitative Behavior of Higher Order Difference Equation, 9th International Conference on Chemistry and its Role in Development, April 16-19, 2007, Mansoura – Sharm El-Sheikh, EGYPT.
- E. M. Elabbasy, H. El-Metwally, and E. M. Elsayed, On the Difference Equation xn+1=(a0xn + a1xn-1 + ... + akxn-k ) / (b0xn+b1xn-1+ ... +bkxn-k), Dynamical Systems, April 26, 2007, Assiut, EGYPT.
- E. M. Elabbasy, H. El-Metwally, and E. M. Elsayed, Qualitative Behavior of Higher Order Difference Equation, Mathematical Analysis and Applications, April 17, 2008, Department of Mathematics, Faculty of Science, Cairo University, EGYPT.
- E. M. Elabbasy, H. EI-Metwally, and E. M. Elsayed, Qualitative Behavior of some Max-type Difference Equations, Third Saudi Science Conference " New Horizons in Science and Their Applications ", College of Science, King Saud University, Riyadh, 11451 Kingdom of Saudi Arabia, 10th - 13th March, 2007.
- Bratislav Iricanin, E. M. Elsayed, Recent Developments in Some “Unusual” Difference Equations Periodicity, MASSEE International Congress on Mathematics ( MICOM 2009) , 16 – 20 September, 2009, Ohrid, Republic of Macedonia.
Prizes and Awards:
- The prize of the best Ph. D. granted at Mansoura University, in the year ( 2006 – 2007 ).