学术报告
-
17
2024-11
自旋轨道耦合玻色-爱因斯坦凝聚体中的非线性波。题目：自旋轨道耦合玻色-爱因斯坦凝聚体中的非线性波。 报告人：林机教授 （浙江师范大学） 摘 要：本报告主要介绍自旋轨道耦合二组分和三组分玻色爱因斯坦凝聚体的新型非线性波 存在和稳定性，如非简并孤子、怪波。同时报告在外场调控下的非线性现象。 报告人简介：现为浙江师范大学杰出教授、博士生导师。主要从事非线性物理中的数学物理方法、周期性光学介质的孤子现象及其稳定性和超快脉冲与物质相互作用的非线性理论研究，国家自然科学基金重点项目主持人。浙江省‘151’人才工...
-
11
2024-11
Incompressible limit of viscous vortex sheets with large data题目：Incompressible limit of viscous vortex sheets with large data 报告人：袁谦 副研究员 中国科学院数学与系统科学研究院 摘 要 : In this talk, we shall discuss the incompressible limit of vortex sheets to the Navier-Stokes equations for ill-prepared initial data. The r...
-
05
2024-11
联邦学习中的统计优化理论与算法题目：联邦学习中的统计优化理论与算法 报告人: 周声龙教授（北京交通大学数学与统计学院） 摘要 : 本报告将简单介绍一下联邦学习，包括两种分布式结构：中心化和去中心化联邦学习，它与分布式学习的区别与联系，研究现状，目前统计和优化所关心的问题。随后，报告还将概述我们在中心化和去中心化联邦学习中的一些初步研究工作。 报告人简介：周声龙，北京交通大学数学与统计学院教授，博士生导师。在该校获得本科和硕土学位。于2018年获英国南安...
-
31
2024-10
Nonparametric Statistical Inference via Metric Distribution Function in Metric Spaces题目：Nonparametric Statistical Inference via Metric Distribution Function in Metric Spaces 报告人：潘文亮副研究员 中国科学院数学与系统科学研究院 摘要：The distribution function is essential in statistical inference and connected with samples to form a directed cl...
-
31
2024-10
Large scale business forecasting: a hierarchical approach题目：Large scale business forecasting: a hierarchical approach 报告人：李丰副教授 （北京大学） 摘要：Hierarchical forecasting with noisy and intermittent time series is a challenge in both research and empirical studies. Extensive research fo...
-
30
2024-10
Applications of the heat equation to elliptic equations题目：Applications of the heat equation to elliptic equations 报告人：李昊宇博士 Universidade Federal de São Carlos (UFSCAR) 摘要：In this talk, we first review the application of the heat equation to elliptic equations. Then, we study the coupled Schr\"...
-
22
2024-10
The rigidity of eigenvalues on Kӓhler manifolds with positive Ricci lower bound题目：The rigidity of eigenvalues on Kӓhler manifolds with positive Ricci lower bound 报告人：楚健春研究员 （北京大学） 摘要：In this talk, we will discuss rigidity results for eigenvalues on Kahler manifolds with positive Ricci lower bound. More pre...
-
15
2024-10
Lotka–Volterra competition-diffusion system: the critical competition case题目：Lotka–Volterra competition-diffusion system: the critical competition case 报告人：萧冬远博士 日本东京大学 摘要：In this talk，we consider the reaction-diffusion competition system in the so called critical competition case. The associated ODE sy...
-
15
2024-10
On the Prandtl's Boundary Layer Theory for Steady Sink-Type Flows题目： On the Prandtl's Boundary Layer Theory for Steady Sink-Type Flows报告人：辛周平 教授 （ 香港中文大学）摘要：In this talk, I will present some results on the large Reynolds number limits and asymptotic behaviors of solutions to the steady incompressible Navier...
-
15
2024-10
Front propagation through a perforated wall报告题目：Front propagation through a perforated wall 报告人： Professor Hiroshi Matano ，Meiji University （明治大学）, Japan 摘要: In recent years, the behavior of solution fronts of reaction-diffusion equations in the presence of obstacles has ...