讲座人简介:
黄启华,博士,教授,博士研究生导师。2011年8月在美国 University of Louisiana at Lafayette 获得应用数学博士学位。2011年8月至2016年6月在加拿大 University of Alberta 生物数学中心从事博士后研究工作,合作导师为 Mark Lewis 教授 (加拿大皇家科学院院士,Senior Canada Research Chair in Mathematical Biology)。2016年6月通过西南大学引进人才 “聚贤工程” 计划被特别评聘为教授,并于2016年9月到西南大学澳门新葡平台app官网工作。主要研究方向为生物数学、偏微分方程和数值分析。科研成果主要发表在应用数学期刊 SIAM Journal on Applied Mathematics等、 生物数学期刊 Journal of Mathematical Biology等以及理论生态学期刊 Theoretical Ecology等。目前正主持国家自然科学基金面上项目、重庆市留学人员回国创新支持计划重点项目各一项。
讲座内容简介:
The life cycles of many species include separate dispersal and sedentary stages. To understand the population dynamics of such species, we develop and study a hybrid parabolic and hyperbolic equation model, in which a reaction-diffusion equation governs the random movement and settlement of dispersal individuals, while a first-order hyperbolic equation describes the growth of stationary individuals with age structure. We establish the existence and uniqueness of the solution of the model using the monotone method based on a comparison principle. We study the population persistence criteria in terms of four related measures. We numerically investigate how the interplay between population dispersal, reproduction, settlement, and habitat boundary affects the population persistence.