学术报告
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01
2025-07
KERNEL MEETS SIEVE: TRANSFORMED HAZARDS MODELS WITH SPARSE LONGITUDINAL COVARIATES题目：KERNEL MEETS SIEVE: TRANSFORMED HAZARDS MODELS WITH SPARSE LONGITUDINAL COVARIATES 报告人：Prof. Hongyuan Cao (Florida State University) 摘要：We study the transformed hazards model with time-dependent covariates observed intermittently for th...
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28
2025-06
Tile the symmetric group by transpositions题目：Tile the symmetric group by transpositions 报告人：夏彬绉，澳大利亚墨尔本大学 摘要：The question of whether the set of transpositions, possibly including the identity, can tile the symmetric group was first studied by Rothaus and Thompson in 1966 and has r...
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28
2025-06
The initial boundary value problem for relaxed compressible Navier-Stokes equations题目：The initial boundary value problem for relaxed compressible Navier-Stokes equations 报告人：胡玉玺 中国矿业大学（北京） 摘要：We investigate an initial boundary value problem for the relaxed one-dimensional compressible Navier-Stokes-Fourier equations. By ...
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26
2025-06
Global-in-time Well-posedness of Classical Solutions to the Vacuum Free Boundary Problem for the Viscous Saint-Venant System with Large Data题目：Global-in-time Well-posedness of Classical Solutions to the Vacuum Free Boundary Problem for the Viscous Saint-Venant System with Large Data 报告人：朱圣国 上海交通大学 摘要：We talk about the global-in-time well-posedness of classical solutions to the...
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26
2025-06
Introduction to optimal transport and some applications题目：Introduction to optimal transport and some applications 报告人:刘佳堃，悉尼大学 摘要：In this talk, we will give a brief introduction on the optimal transport problem and discuss its applications in geometry, cosmology, and image recognition. 报告人...
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26
2025-06
On local solubility of Bao--Ratiu equations on surfaces related to the geometry of the diffeomorphism group题目：On local solubility of Bao--Ratiu equations on surfaces related to the geometry of the diffeomorphism group 报告人：李思然 副教授 上海交通大学 摘要：We are concerned with the existence of asymptotic directions for the group of volume-preserving diffeomorp...
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26
2025-06
Recent progress on fourth order Willmore energy题目：Recent progress on fourth order Willmore energy 报告人：严泽田，加州大学圣芭芭拉分校 摘要：We introduce a fourth-order Willmore-type problem for closed four-dimensional submanifolds immersed in $R^n$ and establish a connected sum energy reduction for the ge...
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24
2025-06
Stability theory of singularities题目：Stability theory of singularities 报告人：许晨阳 教授 普林斯顿大学数学系 摘要：Over the past decade, a local theory of K-stability for Kawamata log terminal (klt) singularities has emerged. lt studies minimizers of a normalized volume function and associate...
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24
2025-06
Incompressible surfaces in even-dimensional closed hyperbolic manifolds题目：Incompressible surfaces in even-dimensional closed hyperbolic manifolds 报告人：饶正昊（Rutgers 大学） 摘要：In 2009, Kahn and Markovic proved the Surface Subgroup Theorem, and they constructed a large family of \pi_1-injective immersed surfaces in c...
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23
2025-06
Kakeya sets in R^3题目：Kakeya sets in R^3 报告人：王虹 教授 纽约大学柯朗数学科学研究所，法国高等科学研究所 摘要：In 1917, Soichi Kakeya asked what is the minimum area of a region in which a needle of unit length can be turned through 360 degrees. Surprisingly, Besicovitch provided in 1919 an...