This paper considers a periodic preventive maintenance policy under which each preventive maintenance (PM) reduces the … to the periodic preventive maintenance, the system undergoes the minimal repair at each failure between the preventive … minimize the expected cost rate, are solved and thus the best schedules for the periodic preventive maintenance policy are …

periodic solutions of the complex cubic–quintic Ginzburg–Landau equation. The primary tools used here are Hopf bifurcation … theory and perturbation theory. Explicit results are obtained for the post-bifurcation periodic orbits and their stability …

periodic solutions are established by using the fixed point theorem and differential inequality techniques. The results of this …

limit cycle to a profusion of periodic orbits at the ultradiscrete limit. …

models. The energy distribution has a fractal pattern and presents log periodic oscillations for high energies. These …

noises and periodic rectangular signal. Expression of the signal-to-noise ratio (SNR) has been obtained under the adiabatic …

to the stability analysis of the boundary periodic solution, we obtain the invasion threshold of the plasmid … a positive τ-periodic solution, which shows that the impulsive effect destroys the equilibria of the unforced continuous … system and initiates the periodic solution. Our results can be applied to control bioreactors aimed at producing commercial …

techniques, an easily verifiable sufficient condition is derived for the existence of at least one positive periodic solution of …