报告时间：2024年9月20日上午10：00-11：00

报告地点：雁山校区理科三区406智慧教室

报告题目：Wolbachia spread dynamics in stochastic environments

报告人：胡林超  广州大学

报告摘要：Mosquito-borne diseases such as dengue fever and Zika kill more than 700, 000 people each year in the world. A novel strategy for mosquito-borne disease control uses the bacterium Wolbachia to block virus transmission. It requires releasing Wolbachia-infected mosquitoes to exceed a threshold level. Since an accurate forecast for temperature and rainfall, the major environmental conditions regulating the mosquito dynamics, is often not available over a long time period, it is important to explore how the threshold releasing level changes in random environments. By comparing the dynamics between the stochastic system and constructed auxiliary systems, combined with other techniques, we provide sharp estimates on the threshold releasing level for Wolbachia fixation. In addition, we prove that the threshold level is, surprisingly, defined by a deterministic curve that does not fluctuate with environmental conditions.

报告人简介：胡林超，广州大学数学与信息科学学院、广州大学应用数学研究中心副教授。 现为美国数学学会评论员。近些年主持国家自然科学基金面上项目一项，广东省面上项目一项、广东省海外名师项目一项，主持军工横向项目一项，参与国家重点项目一项。在Nature，Current Biology，Journal of Differential Equations，Bulletin of Mathematical Biology，Journal of Theoretical Biology等期刊发表科研论文多篇。