Personal Information

  • Position : Associate Professor
  • Department : Mathematics
  • Specification :
  • Work Phone : 2403866/057
  • Email : emadr@du.edu.eg

E-Courses

Researches

  1. New oscillation criterion for delay differential equations with non-monotone arguments
  2. Oscillation of first order linear differential equations with several non-monotone delays
  3. Oscillation criteria for first order differential equations with non-monotone delays
  4. Oscillation tests for first-order linear differential equations with non-monotone delays
  5. On the distance between adjacent zeros of solutions of first order differential equations with distributed delays
  6. New aspects for the oscillation of first-order difference equations with deviating arguments
  7. Oscillation tests for difference equations with non-monotone retarded arguments
  8. Improved oscillation criteria for first order differential equations with several non-monotone delays
  9. New oscillation criteria for first order linear differential equations with non-monotone delays
  10. Iterative oscillation criteria for first-order difference equations with non-monotone advanced arguments
  11. Upper bounds for the distance between adjacent zeros of first-order linear differential equations with several delays
  12. Angiogenesis model with Erlang distributed delays
  13. Angiogenesis model with erlang distributed delay in vessels formation
  14. New oscillation criteria for first-order difference equations with several not necessarily monotonic delays
  15. New product-type oscillation criteria for first-order linear differential equations with several nonmonotone arguments
  16. New results for the upper bounds of the distance between adjacent zeros of first-order differential equations with several variable delays
  17. On the distribution of adjacent zeros of solutions to first-order neutral differential equations
  18. On the oscillation of first-order differential equations with deviating arguments and oscillatory coefficients
  19. New Explicit Oscillation Criteria for First-Order Differential Equations with Several Non-Monotone Delays
  20. New oscillation conditions for first-order linear retarded difference equations with non-monotone arguments
  21. TOPOLOGICAL-PRECISION-ROUGH-SET