Nearly all nontrivial real-world systems are nonlinear dynamical systems. Chaos describes
certain nonlinear dynamical systems that have a very sensitive dependence on initial …

Biological growth curves are central to interdisciplinary research that seeks to improve our
understanding of natural processes. Applications of growth equations are widespread …

The paper presents the study of one prey one predator harvesting model with imprecise
biological parameters. Due to the lack of precise numerical information of the biological …

This paper introduces an imprecise prey–predator model by using interval and fuzzy number
in modeling of prey and predator interaction. In a prey–predator system, values of the …

This article researches optimal harvesting strategy (OHS) of a two-species stochastic Lotka–
Volterra mutualism model with regime-switching. Traditional approach needs an additional …

In this letter, a stochastic mutualism model with Lévy jumps and harvesting is considered.
Under some simple assumptions, sufficient and necessary criteria for the existence of …

This work is concerned with a two-species stochastic state-switching competitive population
model with distributed delays and harvesting. First, necessary and sufficient criteria for the …

In this paper a two competing species harvesting model with imprecise biological
parameters has been developed. We have developed a method to handle these imprecise …

In this study, we propose an n-species stochastic model which considers the influences of
the competitions and delayed diffusions among populations on dynamics of species. We …

In this paper, we investigate the optimal harvest policy of a stochastic logistic population
model. The value of this study lies in two aspects: mathematically, we establish a stochastic …