Personal Information

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

E-Courses

Researches

  • 1 - Research Title:
  • Book of abstract
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  • 2 - Research Title:
  • Global attractivity in a population model with nonlinear death rate and distributed delays
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  • 3 - Research Title:
  • On the distribution of zeros of solutions of a first order neutral differential equation
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  • 4 - Research Title:
  • The distribution of zeros of all solutions of first order neutral differential equations
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  • 5 - Research Title:
  • Oscillation and asymptotic behaviour of a class of higher-order non-linear difference equations
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  • 6 - Research Title:
  • On the Global Attractivity,Periodicity and Oscillation of a Single Neuron Model
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  • 7 - Research Title:
  • OSCILLATION CRITERIA FOR CERTAIN SECOND ORDER NONLINEAR DIFFERENCE EQUATIONS
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  • 8 - Research Title:
  • The Global Attractivity of Difference Equations of Nonincreasing Nonlinearities with Applications
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  • 9 - Research Title:
  • New oscillation criteria for second order linear difference equations with positive and negative coefficients
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  • 10 - Research Title:
  • OSCILLATION AND NONOSCILLATION CRITERIA FOR HALF-LINEAR SECOND ORDER DIFFERENCE EQUATIONS
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  • 11 - Research Title:
  • Oscillation and global asymptotic stability of a neuronic equation with two delays
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  • 12 - Research Title:
  • Comparison theorems for second order nonlinear difference equations
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  • 13 - Research Title:
  • Global attractors for difference equations dominated by one-dimensional maps
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  • 14 - Research Title:
  • On the Oscillation and Asymptotic Behaviour of Solutions of a Neuronic Equation
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  • 15 - Research Title:
  • OSCILLATION CRITERIA OF COMPARISON TYPE FOR SECOND ORDER DIFFERENCE EQUATIONS
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  • 16 - Research Title:
  • Convergence to equilibria in discrete population models
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  • 17 - Research Title:
  • The global attractivity of a rational difference equation with variable delays
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  • 18 - Research Title:
  • Oscillation and Nonoscillation Theorems for Certain Second-Order Difference Equations with Forcing Term
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  • 19 - Research Title:
  • New explicit global asymptotic stability criteria for higher order difference equations
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  • 20 - Research Title:
  • Oscillation of some nonlinear difference equations
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  • 21 - Research Title:
  • Globally attracting fixed points in higher order discrete population models
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  • 22 - Research Title:
  • ON THE OSCILLATION OF CERTAIN DIFFERENCE EQUATIONS
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  • 23 - Research Title:
  • Nonoscillation, oscillation and convergence of a class of neutral equations
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  • 24 - Research Title:
  • Periodic points and stability in Clark’s delayed recruitment model
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  • 25 - Research Title:
  • Summation averaging technique for the oscillation of second order linear difference equations
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    There is no research