j9九游会

报告问题 (Title)：Deep Adaptive Sampling and its Application on Surrogates（深度自顺应采样及其在署理模子中的应用）

报告人 (Speaker)：翟佳羽 助理教授（上海？
？？？萍即笱В

报告时间 (Time)：2025年6月13日（周五）11:00

报告所在 (Place)：宝山校区GJ303

约请人(Inviter)：纪丽洁

主理部分：理学院数学系

摘要：We present two deep adaptive sampling methods and apply one to surrogate modeling of low-regularity parametric differential equations and illustrate that this mechanism is necessary for constructing surrogate models, to deal with the sampling problem in high dimensional parameter and physics spaces, with a relatively small sample size. Both the surrogate model and sampling model are approximated with deep neural networks. In particular, the sampling model is a normalizing flow, so that the sampling is immediate. We demonstrate the effectiveness of the proposed method with a series of numerical experiments.