In this paper, the stability and boundedness analysis of a certain system of two nonlinear
delay differential equations with variable delay ρ (t) is carried out. By using the Lyapunov's …

The behaviour of solutions to certain third order nonlinear non autonomous stochastic delay
differential equations with constant deviating arguments is considered. The main procedure …

We consider certain class of second order nonlinear nonautonomous delay differential
equations of the form $$ a (t) x^{\prime\prime}+ b (t) g (x, x^\prime)+ c (t) h (x (tr)) m …

We present in this paper the problem of convergence behavior of solutions of certain third-
order nonlinear delay differential equations and obtained the sufficient conditions involved …

In this work we consider a class of third order delay differential equations, where the
nonlinear functions, especially the first two restoring terms, are sum of n multiple deviating …

STABILITY AND BOUNDEDNESS OF SOLUTIONS FOR A CERTAIN FOURTH-ORDER DELAY
DIFFERENTIAL EQUATION Meilan Cai, Fanwei Meng 1 Introduc Page 1 STABILITY AND …

Diarrhea is the second leading cause of death in children under five years old. It is
responsible for killing thousands of children globally. It kills more young children than other …

In this paper the Hyers-Ulam-Rassias stability of certain perturbed nonlinear second order
differential equations of Lienard type was studied, using some new modifications of …

Two coupled circuits are extensively used in radio electronics and communication. The
problem of stability analysis of state variables describing system of two coupled circuits is …

This study introduces a six-compartmental mathematical model (S, 𝑉1, 𝑉2, E, I, R) to
examine the impact of administering a double dose vaccine on the dynamic spread of …