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学术活动1

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18

2024-09

几何分析讨论班——Effects of some new free boundary conditions on the nonlocal KPP equation with free boundary

报告人：杜一宏（澳大利亚科学院院士，澳大利亚新英格兰大学教授）时间：2024年9月18日，下午4:00-5:00地点：海纳苑2幢206室摘要：I will report some recent results on the nonlocal reaction diffusion equation $u_t-dL[u]=f(u)$ with a KPP type reaction term $f(u)$ over a changing interval $[g(t), h(t)]$, viewed as a model for the spreading of a species with population range $[g(t), h(t)]$ and density $u(t,x)...

10

2024-09

看见与发现——第三种学习方法

02

2024-09

Distinguished Lecture——S-dual of Hamiltonian G spaces and relative Langlands duality

01

2024-09

浙大-西湖几何分析讨论班——The Monge-Ampere equation in convex polygonal domains

报告人：沈伟明教授（首都师范大学）时间： 2024年9月4日，10:30-11:30地点：海纳苑2幢101摘要： I will talk about the existence and regularity of solutions for the Monge-Ampere equation in convex polygonal domains. This is based on joint works with Genggeng Huang.联系人：江文帅（wsjiang@zju.edu.cn)

21

2024-08

浙大-西湖几何分析讨论班——A rigidity result for ancient Ricci flows

报告人：张旗教授（加利福尼亚大学河滨分校）时间： 2024年9月6日，14:00-15:00地点：海纳苑2幢101摘要： Using the sharp log Sobolev functional (log entropy), we prove a qualitatively sharp rigidity result for ancient Ricci flows without sign condition on the curvatures. The result is also related to the backward limit problem of type II ancient Ricci flows.联系人：江文帅（wsjiang@zju.edu.cn)

21

2024-08

浙大-西湖几何分析讨论班——Volume and Rigidity Properties for the Self-expanding Solutions of Mean Curvature Flows

报告人：Professor Xu Cheng(Universidade Federal Fluminense, Brazil)时间：2024年8月26日，16:00-17:00地点：海纳苑2幢101江文帅老师（wsjiang@zju.edu.cn)江文帅老师（wsjiang@zju.edu.cn)联系人：江文帅（wsjiang@zju.edu.cn)

21

2024-08

浙大-西湖几何分析讨论班——The first eigenvalue of minimal hypersurfaces in the sphere

报告人：Professor Detang Zhou(Universidade Federal Fluminense, Brazil)时间：2024年8月26日，15:00-16:00地点：海纳苑2幢101江文帅老师（wsjiang@zju.edu.cn)江文帅老师（wsjiang@zju.edu.cn)联系人：江文帅（wsjiang@zju.edu.cn)

28

2024-08

分析与偏微分方程讨论班——Steady Contiguous Vortex-Patch Dipole Solutions of the 2D Incompressible Euler Equation

报告人：童嘉骏（北京大学）时间：2024年8月28日，15:00-16:00地点：海纳苑2幢205室摘要：It is of great mathematical and physical interest to study traveling wave solutions to the 2D incompressible Euler equation in the form of a touching pair of symmetric vortex patches with opposite signs. Such a solution was numerically illustrated by Sadovskii in 1971, but its rigorous existence was left as an open...

10

2024-08

分析和微分方程讨论班——Stability of shear flows in viscous fluids

报告人：赵威任（纽约大学阿布扎比分校）时间：8月16日，10:00-11:00地点：海纳苑2幢205摘要：In this presentation, I will discuss the latest advancements in understanding the asymptotic stability and instability of shear flow in viscous fluids. The primary mechanisms contributing to the system's stability are inviscid damping and enhanced dissipation. I will also explore the mathematical frameworks...

09

2024-08

计算与应用讨论班——A Reduced Order Model Enhanced Iterative Solver for Parametric Radiative Transfer Equation

报告人：彭志超（香港科技大学）时间：8月14日，13:00 - 15:00地点：海纳苑2幢203摘要：Radiative transfer equation (RTE) models particles propagating through and interacting with a background medium. Applications, such as uncertainty quantification, medical imaging, and shape optimization, require solving RTE many times for various parameters. Source Iteration (SI) with Diffusion Synthetic Acceleration...

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