学术报告
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08
2024-05
A continuous cusp closing process for negative Kähler-Einstein metrics题目: A continuous cusp closing process for negative Kähler-Einstein metrics 报告人：傅鑫 （西湖大学） 摘要: We give an example of a family of smooth complex algebraic surfaces of degree 6 in ℂℙ3 developing an isolated elliptic singularity. We show via...
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08
2024-05
An introduction to the optimal degeneration of Fano varieties.题目: An introduction to the optimal degeneration of Fano varieties. 报告人：韩骥原 （西湖大学）摘要: In this talk, I will go through some recent developments over the optimal degeneration of Fano varieties. Given a Fano variety X, there exists a two-step de...
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08
2024-05
Rational dynamics on the projective line of the field of p-adic numbers动力系统讨论班 题目:Rational dynamics on the projective line of the field of p-adic numbers 报告人：廖灵敏教授（武汉大学） 摘要：We study rational maps as dynamical systems on the projective line of the field of p-adic numbers. We usually divide the space into...
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26
2024-04
Some Results for Incompressible Micropolar Fluids题目：Some Results for Incompressible Micropolar Fluids报告人：潜陈印 教授 （浙江师范大学）摘要：In this talk, we gives some recently results on the incompressible micropolar fluids, such as the existence of global weak solution for 3D incompressible micropolar flui...
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26
2024-04
Independence tests in high dimensions: asymptotics, limitations, and enhancementsTitle: Independence tests in high dimensions: asymptotics, limitations, and enhancements 报告人：张耀武 Abstract: matchMeasuring the nonlinear dependence between random vectors and testing for their statistical independence is a...
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25
2024-04
The Grothendieck-Serre conjecture in the mixed characteristic case题目: The Grothendieck-Serre conjecture in the mixed characteristic case 报告人：郭宁（圣彼得堡Steklov数学研究所） Abstract： The long-standing conjecture proposed by Serre and Grothendieck in 1958 predicts that over a regular local ring, there ...
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25
2024-04
Weak approximation of symmetric products and norm varieties题目：Weak approximation of symmetric products and norm varieties 报告人：张子扬（中国科学技术大学） Abstract： Let k be a number field. For a variety X over k that satisfies weak approximation with Brauer--Manin obstruction, we study the same pr...
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24
2024-04
On Linear Convergence of ADMM for Decentralized Quantile Regression题目: On Linear Convergence of ADMM for Decentralized Quantile Regression 报告人：练恒 教授(香港城市大学) Abstract：The alternating direction method of multipliers (ADMM) is a natural method of choice for distributed parameter learning. For smooth an...
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24
2024-04
Rank-based indices for testing independence between two high-dimensional vectors题目：Rank-based indices for testing independence between two high-dimensional vectors 报告人：许凯 摘要：To test independence between two high-dimensional random vectors, we propose three tests based on the rank-based indices derived...
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23
2024-04
格基自举型全同态加密算法简介报告题目：格基自举型全同态加密算法简介 报告人：王晗 博士（中国科学院信息工程研究所） 报告摘要：全同态加密作为隐私计算的重要底层技术，受到人们的广泛关注。自举算法作为全同态加密算法的重要组成部分，已经称为近几年来的研究热点。本报告将聚焦基于GSW的自举算法的设计于应用。我们先简单的回顾现有GSW型自举算法的发展历程，总结其特点。然后介绍我们最新提出的适于GSW型自举算法的新型批处理计算框架。该框架与AP14/FHEW/TFHE等现有自举技术兼容。在与这些技术结...