学术报告
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On the Isoperimetric Inequality for Minimal Submanifolds题目:On the Isoperimetric Inequality for Minimal Submanifolds报告人:马辉 教授 (清华大学)地点:腾讯会议室时间:2023年4月14日 10:40-11:40摘要:In this talk, we will prove an isoperimetric inequality for minimal submanifolds in Riemannian manifolds with nonnegative intermediate Ricci curvature, by using the Alexandrov-Bakelman-Pucci method. This generalizes Brendle's recent striking results ...马辉 教授 (清华大学)腾讯会议室2023年4月14日 10:40-11:40
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Some New Results for the Existence and Multiplicity of Self-Similar Solutions...题目:Some New Results for the Existence and Multiplicity of Self-Similar Solutions for the Parabolic Equations报告人:王俊 教授 (江苏大学)地点:腾讯会议室时间:2023年4月14日 9:35-10:35摘要:In this talk, we first introduce some new results for the existence self-similar solutions to the H\'enon type parabolic equation with positive singular initial value. On the other hand, we give the exist...王俊 教授 (江苏大学)腾讯会议室2023年4月14日 9:35-10:35
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Weyl's Lemma for Very Weak Harmonic Functions on RCD Spaces and an Applicatio...题目:Weyl's Lemma for Very Weak Harmonic Functions on RCD Spaces and an Application to Elliptic Equations报告人:张会春 教授 (中山大学)时间:2023年4月14日 8:30-9:30地点:腾讯会议室摘要:In this talk, we will introduce an extension of Weyl’s lemma and a regularity result for the very weak solutions of Poisson equations on metric measure spaces with generalized Ricci curvature bounded from be...张会春 教授 (中山大学)腾讯会议室2023年4月14日 8:30-9:30
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Quartic Congruences and Eta Products题目:Quartic Congruences and Eta Products报告人:孙智宏 教授(淮阴师范学院)时间:2023年4月10日(星期一) 下午2:00-3:00地点:致远楼101室摘要:For $N\in \{11,14,15,20,24\}$ let $a_{N}(n)$ be the $n$-th Fourier coefficient of the eta product corresponding to newforms of weight $2$ with level $N$. In this talk, we reveal the connections among $a_{20}(p),a_{24}(p)$ and residue-counts of certain qu...孙智宏 教授(淮阴师范学院)致远楼101室2023年4月10日(星期一) 下午2:00-3:00
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Strategic Investment under Uncertainty with First-and Second-Mover Advantages题目:Strategic Investment under Uncertainty with First-and Second-Mover Advantages报告人:戴民 教授 (香港理工大学)时间:2023年4月6日(星期四) 14:00—15:00地点:致远楼 101室摘要We analyze a duopoly real-option entry game where the second mover has a cost advantage over the first mover. The game model is formulated as a variational inequality. The equilibrium solution features five regions....戴民 教授 (香港理工大学)致远楼 101室2023年4月6日(星期四) 14:00—15:00
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Explicit Bounds for Fixed Subgroups of Endomorphisms of Free Products题目:Explicit Bounds for Fixed Subgroups of Endomorphisms of Free Products报告人:张强 副教授 (西安交通大学)时间:2023年3月30日 13:00-13:30地点:致远楼209室摘要:For an automorphism of a free group of rank n, Bestvina and Handel showed that the rank of the fixed subgroup is not greater than n (the so-called Scott conjecture). In the past forty years, their result was generalized by many au...张强 副教授 (西安交通大学)致远楼209室2023年3月30日 13:00-13:30
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Highly Accurate and Efficient Schemes for Nonlinear Dissipative Systems with ...题目:Highly Accurate and Efficient Schemes for Nonlinear Dissipative Systems with Particular Application to Navier-Stokes Equations姓名:沈捷 教授 (普渡大学)时间:2023年3月30日 上午 10:00-11:00地点:宁静楼115室摘要:I will present some recent advances on using the generalized scalar auxiliary variable (GSAV) approach to develop highly efficient and accurate schemes for a large class of n...沈捷 教授 (普渡大学)宁静楼115室2023年3月30日 上午 10:00-11:00
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Barron Type Spaces in Neural Networks题目:Barron Type Spaces in Neural Networks报告人:明平兵 研究员 (中国科学院数学与系统科学研究院)时间:2023年3月17日(星期五) 16:00-17:00地点:致远楼101室摘要:We shall discuss various Barron type spaces arising from neural networks. The relations among these spaces will be clarified, and we shall also establish the relationship between Barron type spaces and classical function spaces such...明平兵 研究员 (中国科学院数学与系统科学研究院)致远楼101室2023年3月17日(星期五) 16:00-17:00