Time fractional equations and probabilistic representation

发布时间:2018-06-21发布部门:理学院

主题:   Time fractional equations and probabilistic representation主讲人:   陈振庆地点:   松江校区2号学院楼331理学院报告厅时间:   2018-06-30 14:00:00组织单位:   理学院数学系

主讲人简介:陈振庆,博士,美国Universityof Washington教授、国家千人计划特聘教授、教育部长江学者讲座教授、北京理工大学数学学院院长、博士生导师。

内容摘要:Time-fractional diffusion equations have been actively studied in several fields including mathematics, physics, chemistry, engineering, hydrology and even finance and social sciencesas they can be used to model the anomalous diffusions exhibiting subdiffusive behavior, due to particle sticking and trapping phenomena. In this talk, I will report some recent progress in the study of general fractional-time parabolic equations of mixture type, including existence and uniqueness of the solutions and their probabilistic representations in terms of  the corresponding inverse subordinators with or without drifts. Sharp two-sided estimates on the fundamental solution will be given. Fractional-time parabolic equations with source term will also be discussed. In particular, a new representation formula for the solution of time fractional Poisson equation will be presented, which does not involve fractional time derivative of the fundamental solution.

报告主持:闫理坦 教授

视频:   摄影: 撰写:闫理坦  信息员:唐晓亮  编辑:段然

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