报告题目：Persistence and Non-persistence of Mutualism System with Stochastic Perturbation
演讲人：将达清 教授 （东北师范大学）
时间：2011年11月22日（星期二）上午10:15—11:05
地点：闵行校区四教217室

摘要：
In this talk, we consider a n-species Lotka-Volterra mutualism system with stochastic perturbation. Sufficient criteria for persistence in mean and stationary distribution of the system are established. Besides, we show the large white noise will make the system non-persistent. Finally, we illustrate the dynamic behavior of the system with n=3 and their approximations via a range of numerical experiments.