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20

2023-09

The Balanced Augmented Lagrangian Method for Convex Programming

报告题目：The Balanced Augmented Lagrangian Method for Convex ProgrammingAbstract: We consider the canonical convex minimization problem with both linear equality and inequality constraints, and reshape the classic augmented Lagrangian method (ALM) by better balancing its subproblems. As a result, iterations of the balanced ALM treat the objective function and the coeﬃcient matrix in the constrain...

20

2023-09

Phase transitions with Allen-Cahn mean curvature bounded in Lp.

Title: Phase transitions with Allen-Cahn mean curvature bounded in Lp. Abstract: We consider the varifolds associated to a phase transition problem whose first variation of Allen-Cahn energy is Lp integrable with respect to the energy measure. We can see that the Dirichlet and potential part of the energy are almost equidistributed. After passing to the phase field limit, one can obtain...

20

2023-09

Generalising Dynamic Semiparametric Averaging Forecasting for Time Series with Discrete-valued Response

报告题目：Generalising Dynamic Semiparametric Averaging Forecasting for Time Series with Discrete-valued Response报告人：Professor Zudi Lu（University of Southampton）时间：2023年8月10日（周四）下午3：00开始地点：腾讯会议会议 ID：196-247-817摘要：Dynamic discrete valued time series data exist in many economic applications, but its research is still relatively rare compared with the rich research o...

20

2023-09

What is in Galois' testamentary letter and why should one read it?

20

2023-09

Algebraic Birkhoff factorization and locality in renormalization

24

2023-07

The p-adic Borel Hyperbolicity of A_g

IASM Distinguished Lectures：The p-adic Borel Hyperbolicity of A_gTime: July 27 Thursday, 16:15-17:15 Venue: 东7报告厅Speaker: 朱歆文 Xinwen Zhu (Stanford University) Abstract. A theorem of Borel says that any holomorphic map from a smooth complex algebraic variety to a smooth arithmetic variety is automatically an algebraic map. The key ingredient is to show that any holomor...

24

2023-07

Kähler-Einstein metric, K-stability and moduli spaces

IASM Distinguished Lectures：Kähler-Einstein metric, K-stability and moduli spacesTime: July 27 Thursday, 15:00-16:00 Venue: 东7报告厅Speaker: 许晨阳 Chenyang Xu (Princeton University) Abstract. The question of whether a smooth complex variety with a positive first Chern class, called a Fano variety, has a Kähler-Einstein metric has been a major topic in complex geometry sinc...

24

2023-07

Geometry of theta correspondence over finite fields

20

2023-09

Hölder stability of quantitative photoacoustic tomography based on partial data

题目： Hölder stability of quantitative photoacoustic tomography based on partial data.报告时间:2023年7月26日 10：00-11：00报告地点：海纳苑2幢210报告厅摘要: The talk is related to the inverse problem of reconstructing the diffusion and absorption coefficients of the diffusion equation from internal data in photo-acoustic imaging. I will show that the problem is Hölder stable in subregi...

21

2023-09

Global harmonic analysis

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