学术报告
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30
2019-12
Covering theorem and embolic volume of compact manifolds - 陈立志 教授(兰州大学)题目: Covering theorem and embolic volume of compact manifolds 报告人:陈立志 教授(兰州大学) Abstract : In this talk, we introduce a covering theorem on Riemannian manifolds, as well as its applications to curvature free inequalities. Curvature free inequalities...
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30
2019-12
On Kahler-Einstein metric near isolated log canonical singularity - 付欣 博士(罗格斯大学)题目:On Kahler-Einstein metric near isolated log canonical singularity 报告人:付欣 博士(罗格斯大学) Abstract : We construct K/"ahler-Einstein metric with negative curvature near an isolated log canonical singularity by solving Monge-Amp/`ere equation with Diri...
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30
2019-12
Echocardiography based screening for coronary heart disease using integrative machine learning - 马平 教授(美国佐治亚大学)题目:Echocardiography based screening for coronary heart disease using integrative machine learning 讲座人:马平 教授(美国佐治亚大学) 讲座人简介:马平教授是美国佐治亚大学的统计学教授和大数据分析实验室的主任,2003年在普渡大学获得博士学位,2003年至2005年在哈佛大学从事博士后研究。2005至2013年在伊利诺伊大学香槟分校任助理和副教授。他是伊利诺伊大学高等研究中心贝克曼教授,美国...
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26
2019-12
Coupled nonlinear Schrodinger equations with mixed couplings - Zhi-Qiang Wang教授(Utah State Univeristy)题目: Coupled nonlinear Schrodinger equations with mixed couplings 报告人:Zhi-Qiang Wang教授 (Utah State Univeristy) Abstract : We discuss results on existence and qualitative property of positive solutions for coupled nonlinear Schrodinger equati...
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25
2019-12
现代变分理论的前世与今生 - 刘兆理学术报告 报告人:刘兆理 时间:2019年12月25日 下午15:00-16:00 地点:教二楼913 题目:现代变分理论的前世与今生 摘要:变分法起源于17世纪末对极小化问题的研究。在1900年世界数学家大会上,Hilbert提出了23个对未来数学的发展影响深远的数学问题,其中有3个问题与变分法有关。20世纪,古典变分法与实分析、泛函分析、广义函数论、偏微分方程理论、一般拓扑学、代数拓扑学、微分几何学相结合,演变成现代变分理论,也被称为临界点理论。现代变分理论是数学的核心研究领域之一...
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25
2019-12
Generalized short pulse equations - Baofeng Feng (School of Mathematical and Statistical Sciences University of Texas Rio Grande Valley Edinburg,TX, 78539-2999 U.S.A.)题目:Generalized short pulse equations 报告人:Baofeng Feng (School of Mathematical and Statistical Sciences University of Texas Rio Grande Valley Edinburg,TX, 78539-2999 U.S.A.) Abstract : Recently, Hone, Novikov and Wang have given a list of general...
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25
2019-12
Special Cubic Hodge Integrals and the Fractional Volterra Hierarchy - 张友金 教授 (清华大学,国家杰出青年科学基金获得者)题目:Special Cubic Hodge Integrals and the Fractional Volterra Hierarchy 报告人:张友金 教授 (清华大学,国家杰出青年科学基金获得者) Abstract : We show that the generating function of cubic Hodge integrals satisfying the local Calabi-Yau condition is the tau function of a pa...
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24
2019-12
Sampling based inference for logistic regression - HaiYing Wang教授(University of Connecticut)题目: Sampling based inference for logistic regression 报告人:HaiYing Wang教授(University of Connecticut) Abstract : In this talk, we first introduce an optimal subsampling approach in the context of logistic regression, where the subsampling probabilit...
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23
2019-12
Bondi-Sachs Spacetimes and the Bondi Energy - 张晓 教授(中科院数学与系统科学研究院数学研究所,广西大学广西数学研究中心)题目:Bondi-Sachs Spacetimes and the Bondi Energy 报告人:张晓 教授 (中科院数学与系统科学研究院数学研究所,广西大学广西数学研究中心) Abstract: Bondi-Sachs spacetimes were originally introduced by Bondi for axi-symmetric spacetimes, and generalized by Sachs to general asymptotically f...
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23
2019-12
Long time well-posedness of the Prandtl type equations - 章志飞 教授 (北京大学)题目:Long time well-posedness of the Prandtl type equations 报告人:章志飞 教授 (北京大学) Abstract: The Prandtl equation was introduced to describe the behavior of the fluid near the boundary at high Reynolds number. The local well-posedness of the Pr...