数学与大数据学院邀请暨南大学吴瑞雯老师作学术报告

       应佛山科学技术学院数学与大数据学院院长戎海武教授和副院长吴楚芬教授的邀请，暨南大学吴瑞雯老师于7月4日下午5点，在佛山科学技术学院江湾校区致用楼524开展了关于“Modeling
insect growth regulators for pest management”的学术报告。吴楚芬教授主持学术会议，学院微分方程方向老师及研究生参会。整个学术报告精彩纷呈，理论与应用相结合，引起了师生热烈的反响。

       报告简介：Insect growth regulators (IGRs)
have been developed as effective control measures against harmful insect pests
to disrupt their normal development. This talk is to propose a mathematical
model to evaluate the cost-effectiveness of IGRs for pest management. The key
features of the model include the temperature-dependent growth of insects and
realistic impulsive IGRs releasing strategies. The impulsive releases are
carefully modeled by counting the number of implements during an insect’s
temperature-dependent development duration, which introduces a surviving
probability determined by a product of terms corresponding to each release.
Dynamical behavior of the model is illustrated through dynamical system
analysis and a threshold-type result is established in terms of the net
reproduction number. Further numerical simulations are performed to
quantitatively evaluate the effectiveness of IGRs to control populations of
harmful insect pests. It is interesting to observe that the time-changing
environment plays an important role in determining an optimal pest control
scheme with appropriate release frequencies and time instants. It is based on
joint work with Dr. Yijun Lou.

       吴瑞雯副教授简介： 2019年毕业于加拿大纽芬兰纪念大学获博士学位。现任暨南大学副教授至今。吴瑞雯博士主要研究方向为应用动力系统及其在生态系统和传染病系统中的应用。相关成果在SIAP、SIADS、JDE、JNS、JMB等应用数学类杂志发表，主持国家自然科学基金青年项目.