学术报告
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Optimal Subsampling for Big Data: from ‘Static Data’ to ‘Data Streams’题目:Optimal Subsampling for Big Data: from ‘Static Data’ to ‘Data Streams’报告人:艾明要 教授 (北京大学)地点:致远楼101室时间:2024年12月20日(周五)下午14:00-15:30摘要:Subsampling methods are effective techniques to reduce computational burden and maintain statistical inference efficiency for big data. In this talk, we will review different subsampling techniques for efficiently deali...艾明要 教授 (北京大学)致远楼101室2024年12月20日(周五)下午14:00-15:30
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Type-II Singularity for Mean Curvature Flow and Critical Phenomenon题目:Type-II Singularity for Mean Curvature Flow and Critical Phenomenon报告人: Prof. Zhou Zhang (The University of Sydney)地点:致远楼101室时间:2024年12月17日 10:00-11:00摘要: In the study of geometric flows, Type-II singularity is considered special (and rare) in the family of all singularities as critical case in the deformation of (generic) singularities. In joint works, we constructed mo...Prof. Zhou Zhang (The University of Sydney)致远楼101室2024年12月17日 10:00-11:00
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Yau's Conjecture, Landis' Conjecture and Nodel Set for Elliptic and Parabolic...题目:Yau's Conjecture, Landis' Conjecture and Nodel Set for Elliptic and Parabolic Equations报告人:刘祖汉 教授 (扬州大学)地点:腾讯会议室时间:2024年12月10日 星期二 14:30-15:30摘要:We investigate the structure of the nodal set of solutions to equations of the form$-\mathrm{div}(A(x)\nabla u)=\lambda_+(u^+)^{q-1}-\lambda_-(u^-)^{q-1}, ~\hbox{~in~} B_1,$where $\lambda_+,\lambda_->0$, $q\in...刘祖汉 教授 (扬州大学)腾讯会议室2024年12月10日 星期二 14:30-15:30
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Periodic Evaluation with Non-Concave Utility题目:Periodic Evaluation with Non-Concave Utility报告人:秦聪 助理教授 (上海财经大学)地点:致远楼101室时间:2024年12月9日(星期一)14:00—15:00摘要:A fund manager’s performance is often evaluated annually and compared with a benchmark, such as a market index. In addition, the manager may be subject to trading constraints, such as limited use of leverage, no short-selling, and a forced li...秦聪 助理教授 (上海财经大学)致远楼101室2024年12月9日(星期一)14:00—15:00
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The long-time behavior of curvature flows in the plane题目:The long-time behavior of curvature flows in the plane报告人:王小六 教授 (东南大学)地点:致远楼108室时间:2024年12月4日 星期三 14:00-15:00摘要:In this report, we will investigate recent progress on the research of planar curve flows, including the topics such as anisotropic curvature flows, curvature flows with constant forcing terms or nonlocal forcing terms, and curvature flows with...王小六 教授 (东南大学)致远楼108室2024年12月4日 星期三 14:00-15:00
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Lifetime Portfolio Choice with Costly Adjustment for Living Standards题目:Lifetime Portfolio Choice with Costly Adjustment for Living Standards报告人:Prof. Hyeng Keun Koo (Ajou University)地点:致远楼108室时间:2024年11月29日 星期五 15:00—16:00摘要: We examine a model of consumption and portfolio choice over a finite horizon that incorporates adjustment costs for living standards, with a particular focus on older individuals. We show that the optimal co...Prof. Hyeng Keun Koo (Ajou University)致远楼108室2024年11月29日 星期五 15:00—16:00
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Measure Equations, Optimization Problems and PDEs in Convex Geometry题目:Measure Equations, Optimization Problems and PDEs in Convex Geometry报告人:Prof. Gaoyong Zhang (New York University)地点:致远楼101室时间:2024年11月22日 14:30-15:30摘要: Finding unknown convex geometric objects from their prescribed measurements went back to Minkowski in the 1890s and Aleksandrov and Fenchel in the 1930s. The geometric problems are called Minkowski problems, which requi...Prof. Gaoyong Zhang (New York University)致远楼101室2024年11月22日 14:30-15:30
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Stabilized P^2-DG Method with Artificial Viscosity for Steady Hyperbolic Cons...题目: Stabilized P^2-DG Method with Artificial Viscosity for Steady Hyperbolic Conservation Laws报告人:刘铁钢 教授 (北京航空航天大学数学科学学院)地点:致远楼101室时间:2024年11月22日 上午10:00-11:00简介:刘铁钢,北京航空航天大学数学科学学院教授,博士生导师。北京大学数学系理学学士和硕士、新加坡国立大学机械工程系工学博士。1989—1995年,在中国科学院计算数学研究所工作。1999—2007年,在新加坡科技...刘铁钢 教授 (北京航空航天大学数学科学学院)致远楼101室2024年11月22日 上午10:00-11:00