学术报告
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24
2017-04
$p$-adic representations of etale fundamental groups of proper hyperbolic curves in char p-盛茂教授(中国科技大学)题目:$p$-adic representations of etale fundamental groups of proper hyperbolic curves in char p 报告人:盛茂教授(中国科技大学) Abstract: Let $k$ be a finite field of char p. In this talk, I shall give an algebro-geometrical description of the category of co...
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21
2017-04
Global Stabilization of Navier-Stokes-Voight Equations and Damped Nonlinear Wave Equations by Finite Number of Feedback Controllers-Prof. Varga Kalantarov (Koc University)题目:Global Stabilization of Navier-Stokes-Voight Equations and Damped Nonlinear Wave Equations by Finite Number of Feedback Controllers 报告人:Prof. Varga Kalantarov (Koc University) Abstract: We introduce a finite-parameters feedback control al...
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20
2017-04
Variational nature of Keplerian orbits -陈国璋教授(台湾国立清华大学)题目: Variational nature of Keplerian orbits 报告人:陈国璋教授(台湾国立清华大学) 摘要:Are there simple and natural ways to find all Keplerian orbits by variational methods? It is considerably well-known that elliptic Keplerian orbits can be characterized as minimize...
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20
2017-04
Geometric characterizations of embedding theorems-Prof. Yongsheng Han (Auburn University)题目:Geometric characterizations of embedding theorems 报告人:Prof. Yongsheng Han (Auburn University) Abstract: The embedding theorem arises in several problems from analysis and geometry, particularly in PDE. The purpose of this talk is to descr...
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19
2017-04
Tightly covering, small excess and sphere theorem-万建明教授(西北大学,西安)题目:Tightly covering, small excess and sphere theorem 报告人:万建明(西北大学,西安) Abstract: We provide natural optimal geometric conditions for a Riemannian manifold suitably covered by two open metric balls to be homeomorphic to a sphere. This can be v...
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18
2017-04
Measure-valued strong uniqueness for compressible isentropic Euler and Navier-Stokes-Prof. Piotr Gwiazda (IMPAN and University of Warsaw)题目:Measure-valued strong uniqueness for compressible isentropic Euler and Navier-Stokes 报告人:Prof. Piotr Gwiazda (IMPAN and University of Warsaw) Abstract: The talk is based on several recent joint results with Eduard Feireisl, Agnieszka Swie...
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18
2017-04
Well-posedness and energy conservation for some compressible fluid models-Prof Agnieszka Swierczewska-Gwiazda (University of Warsaw)题目: Well-posedness and energy conservation for some compressible fluid models 报告人:Prof Agnieszka Swierczewska-Gwiazda (University of Warsaw) Abstract: The talk concerns compressible Euler equations and some systems of a similar structure, in...
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18
2017-04
Multiple Change-points Detection in High Dimension-Prof. Wang Zhaojun (王兆军) ,南开大学题目:Multiple Change-points Detection in High Dimension 报告人:Prof. Wang Zhaojun (王兆军) ,南开大学 Abstract: 针对高维数据均值变点问题,我们给出了一种稳健的检测方法,模拟及理论结果表明,我们提出的方法可以有效地检测出稀疏与稠密的高维变点。 时间:4月18日(周二) 上午10:30 地点:首师大校本部新教二楼624 欢迎全体师生积极参加!
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15
2017-04
Free Boundaries and Subsonic Jets - 辛周平教授 (香港中文大学)题目:Free Boundaries and Subsonic Jets 报告人:辛周平教授 (香港中文大学) 简介:In this talk, I will discuss some issues concerning free boundary value problems associated with steady compressible subsonic jets forming from nite nozzle with given ambient pressure. ...
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14
2017-04
从一个群例谈起-徐明曜教授 (北京大学77779193永利官网 )题目:从一个群例谈起 报告人:徐明曜教授 (北京大学77779193永利官网 ) Abstract:设S是一个集合,以2^S表S的全体子集组成的集合,则2^S在适当定义的运算下组成一个群。更进一步,我们研究这个群的一些基本性质,并且简单介绍这个群与纠错码的关系。 时间:4月14日(周五) 下午 3:00-4:00 地点:首师大校本部新教二楼611 欢迎全体师生积极参加!