学术报告
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11
2025-06
Eigen-decomposition based least squares estimation procedure for high-dimensional spatial dynamic panel data models题目：Eigen-decomposition based least squares estimation procedure for high-dimensional spatial dynamic panel data models 报告人：金百锁（中国科学技术大学统计与金融系教授） 摘要：Spatiotemporal modeling of networks is of great practical importance, with modern applicati...
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10
2025-06
Optimal distributed subsampling under heterogeneity题目：Optimal distributed subsampling under heterogeneity 报告人：王磊 南开大学统计与数据科学学院 摘要：Distributed subsampling approaches have been proposed to process massive data in a distributed computing environment, where subsamples are taken from each site ...
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10
2025-06
Various curvature flows in asymptotic flat space题目：Various curvature flows in asymptotic flat space 报告人：桂耀挺 （厦门大学） 摘要：We introduce various curvature flows including volume or area preserving mean curvature flow and harmonic mean curvature flows in asymptotic flat space. Long time existe...
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10
2025-06
Kähler-Ricci Shrinkers and Polarized Fano Fibrations题目：Kähler-Ricci Shrinkers and Polarized Fano Fibrations 报告人：张俊生（纽约大学） 摘要：We prove that every (non-compact) Kähler-Ricci shrinker is naturally a polarized Fano fibration. The proof relies on Kähler reductions and Birkar’s boundedness result...
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04
2025-06
A free boundary model for super invaders题目：A free boundary model for super invaders 报告人：杜一宏教授，澳大利亚新英格兰大学 摘要：Using a reaction-diffusion model with free boundaries in one space dimension for a single population species with density $u(t,x)$ and population range $[g(t), h(t)]$, we...
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04
2025-06
Global bifurcations of coupled nonlinear elliptic equations题目：Global bifurcations of coupled nonlinear elliptic equations 报告人：王志强教授，美国犹他州立大学 摘要：We report results of analyzing structure of solutions for coupled nonlinear elliptic equations and for both signed solutions and nodal solutions. Global b...
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29
2025-05
Linear vs. nonlinear speed selection of the front propagation into unstable states题目：Linear vs. nonlinear speed selection of the front propagation into unstable states 报告人：周茂林 研究员 南开大学 摘要：In this talk, we consider the speed selection problem of the scalar reaction-diffusion equations and the Lotka-Volterra competition s...
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28
2025-05
TARGET INFERENCE FOR HIGH-DIMENSIONAL QUANTILE REGRESSION题目：TARGET INFERENCE FOR HIGH-DIMENSIONAL QUANTILE REGRESSION 报告人：蒋建成 （北卡大学夏洛特分校） 摘要：Quantile regression is a powerful tool for uncovering relationships between predictors and responses, particularly in high-dimensional data where varied ef...
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28
2025-05
Nonabelian Fontaine-Faltings modules题目：Nonabelian Fontaine-Faltings modules 报告人：盛茂 教授 （清华大学） 摘要：Strict p torsion Fontaine-Faltings modules are good analogues of variations of Hodge structures in positive characteristic. I shall introduce a nonlinear version of this notion an...
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27
2025-05
The two Levi-Civita regularizations题目： The two Levi-Civita regularizations 报告人：Alain ALBOUY教授（巴黎天文台） 摘要：Levi-Civita published in 1916, and republished in 1920 and 1924, a proof that the flow of the 3-dimensional 3-body problem may be regularized, that is, replaced by a smoo...