Various enterprise interaction models with or without time delays appeared in the literature. The stability and Hopf bifurcation for one or two delays in the models were studied by many researchers. However, the periodic oscillation for a four time delays enterprise interaction m...
Open access
Research Article10.9734/arjom/2022/v18i1130429
In this paper, the oscillatory behavior of the solutions for a class of nonlinear mechanical system with delay is investigated. By means of mathematical analysis method, some sufficient conditions to guarantee the oscillation of the solution are obtained. Computer simulations are...
Open access
Research Article10.9734/ARJOM/2017/37180
This paper discusses an almost periodic Lotka-Volterra cooperation system with time delays and impulsive e ects. By constructing a suitable Lyapunov functional, a sucient condition which guarantees the existence, uniqueness and uniformly asymptotically stable of almost periodic s...
Open access
Research Article10.9734/BJMCS/2017/29723