学术报告
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02
2019-08
Algebraic Degrees of Exponential Sums - 万大庆 教授 （University of California, Irvine）题目：Algebraic Degrees of Exponential Sums 报告人：万大庆 教授 （University of California, Irvine） Abstract：Exponential sums over finite fields are of central importance in number theory and its applications. Much of the modern study focuses on its analytic p...
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02
2019-08
Izmetiev's proof of Alexandrov Cap Theorem- Xiao-ping Zhu (Rutgers University)题目： Izmetiev's proof of Alexandrov Cap Theorem 报告人：Xiao-ping Zhu (Rutgers University) Abstract: This is a report on the recent paper by I. Izmetive on a new proof of Alexandrov's cap theorem. 时间：8月2日（周五）下午14:00--15:40 地点：首都师范大学本部教二楼 713 教室 联系人...
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02
2019-08
Hemisystems of the Hermitian surfaces - 向青 教授 （University of Delaware） -
26
2019-07
Discrete and Computational Geometry and its ApplicationsDiscrete and Computational Geometry and its Applications July 26 (Fri) to July 28 (Sun), 2019 927, Second Academic Building, Capital Normal University (CNU) Beijing, China The goal of this workshop is to bring together researchers from Chin...
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25
2019-07
Hydrodynamic limits of kinetic equations with boundary effects - Professor Lei WU （Lehigh university）题目： Hydrodynamic limits of kinetic equations with boundary effects 报告人：Professor Lei WU （Lehigh university） Abstract: The asymptotic behaviors of kinetic equations in bounded domains usually involve the analysis of boundary layers. In this talk, w...
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23
2019-07
Validity of Steady Prandtl Expansion-Yan Guo（Division of Applied Math, Brown）题目： Validity of Steady Prandtl Expansion 报告人：Yan Guo （Division of Applied Math, Brown） Abstract： In a joint work with Sameer Iyer, the validity of steady Prandtl layer expansion is established in a channel. Our result covers t...
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23
2019-07
非线性Landau 方程的解析光滑效应 - 南京航空航天大学 徐超江教授题目：非线性Landau 方程的解析光滑效应 报告人：南京航空航天大学 徐超江教授 Abstract : 非线性 Landau 方程是一个退化抛物型的方程，一般情况下其Cauchy问题的光滑效应与退化有关。但是我们利用Landau方程的特殊结构证明了解析光滑效应，因此与非退化的抛物型方程有一样的光滑效应。 时间：2019年7月23日（星期二） 上午9:00-10:00 地点：首都师范大学本部教二楼527教室 联系人：酒全森 ...
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10
2019-07
Hessian estimates for semiconvex solutions to quadratic Hessian equation 袁域教授（University of Washington）题目：Hessian estimates for semiconvex solutions to quadratic Hessian equation 报告人：袁域教授 （University of Washington） 摘要：We present a priori interior Hessian estimates for semiconvex solutions to the quadratic Hessian equation. Previously, this re...
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10
2019-07
Topics on discrete and smooth conformal geometry - 罗锋 教授（Rutgers University）题目：Topics on 2-dimensional discrete and smooth geometry 报告人：罗锋 教授（Rutgers University） Abstract：This is an introductory course on discrete and smooth geometry on surfaces. There will be many topics to be covered in the course. These include: hyp...
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10
2019-07
The Weyl Problem and Intrinsic Geometry of Convex Surfaces 吴天琦（哈佛大学）题目：The Weyl Problem and Intrinsic Geometry of Convex Surfaces 报告人： 吴天琦（哈佛大学） Abstract：It is well known that a smooth convex surface in the Euclidean space has non-negative Gaussian curvature. Weyl problem asks the converse, ...