报告题目:  Some  Problems of a Discrete Model on Wolbachia Infection Dynamics in Mosquito Population

报告人:庾建设

报告时间：2020年11月 5日，14:30-15:30

报告地点：工业中心506

内容摘要:Mosquito-borne diseases have threatened over half the world's human beings. The most conventional methods for the control of these diseases have been insecticide spraying or larval source eradication. These methods are not sustainable to keep the mosquito density below the epidemic risk threshold. More recently, a novel strategy to suppress the mosquito population has been implemented in Guangzhou, China, in 2015 . More than 95% of local population of Aedes Alpopictus have been suppressed by releasing Wolbachia-infected male mosquitoes in the field to induce cytoplasmic incompatibility (CI) that eggs of wild females fail to hatch if fertilized by sperm from an infected male. In this paper, we develop a model to study the Wolbachi-a infection dynamics in mosquito population in laboratory cage based on a periodicdifference equation. Our analysis determines the release rate threshold denoted by $\alpha$  for Wolbachia infection in mosquito population. When the release rate is above $\alpha$, it will guarantee that Wolbachia could stably establish in mosquito population, whereas when it is below $\alpha$, it will miss our aim. In addition, for the periodic release rate case, we put forward to several interesting periodic questions to be further investigated.

庾建设教授简介：庾建设，教授，博士生导师，广州大学原校长、党委书记，国家杰出青年基金获得者，国家有突出贡献的中青年专家，国家“百千万人才工程”第一层次、第二层次人选，教育部跨世纪优秀人才，现任广州市政协副主席、党组副书记，教育部数学专业教学指导委员会副主任；长期从事微分方程动力系统、差分方程及生物数学模型的理论与应用研究，先后主持国家自然科学基金项目8项，其中重点项目2项，数学交叉研究平台项目2项；曾获国家级教学成果一等奖1项，省部级科技成果、教学成果一等奖3项；近十年来，致力于生物数学尤其是基因表达以及蚊媒传染疾病防控研究，已在《Nature》、《J. Differential Equations》、《SIAM J. Appl. Math.》、《J. Theor. Biol.》、《J. Math. Biol.》、《Scientific Reports》等重要数学、应用数学国际刊物发表论文多篇。

欢迎感兴趣的老师和同学参加！

数学与系统科学学院

                              科研处

2020年10月30日