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2021年度suncitygroup太阳新城外请专家学术报告之四十四

时间:2021-12-13 21:49:39 来源:suncitygroup太阳新城 作者: 阅读:

报告题目Wolbachia spread dynamics in stochastic environments

报告人庾建设 教授

报告时间20211219(周日) 14:3016:30

报告地点:腾讯会议,ID: 105 524 310

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: 庾建设,教授,博士生导师,国家杰出基金获得者,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,享受政府特殊津贴专家,广州大学应用数学研究中心主任。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10余项,其中重点项目3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;2020年获得广东省科学技术奖自然科学奖一等奖。近十年来,致力于应用数学的理论研究及其在基因表达、蚊媒传染疾病防控等方面的应用,已在《Nature》、《PLoS Comput. Biol.》、《J. Differential Equations》、《SIAM J. Appl. Math.》、《J. Math. Biol.》、《J. Theor. Biol.》等重要数学、应用数学国际刊物发表论文多篇。

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