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"智能计算与应用"同济大学数学中心
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学术报告
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MW-Motivic Cohomology of Linear Algebraic Groups and Stiefel Varieties题目：MW-Motivic Cohomology of Linear Algebraic Groups and Stiefel Varieties报告人： 彭柯尧 博士 （法国勃艮第大学）地点：致远楼108室时间：2024年7月9日 星期二 13:30-14:30摘要：We present some computations in MW-motivic cohomology. Following the classical computations and using the analogue in A1-homotopy of the Leray spectral sequence, we compute the MW-motivic cohomology of linear algebraic gro...2024年07月06日
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Deformation of Fano Manifolds and Weil-Petersson Metrics题目：Deformation of Fano Manifolds and Weil-Petersson Metrics报告人：曹怀东 教授 （Lehigh University）地点：逸夫楼213室时间：2024年7月4日 星期四 15:00-16:00Abstract：In this talk, I shall first discuss small deformations of Fano K\"ahler-Einstein (KE) manifolds with non-discrete automorphisms and the Weil-Petersson metric on the space of Fano KE manifolds. I then explain how to define a Weil–...2024年07月04日
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Fundamental Gap of Convex Domains. in Space Forms and Surface题目：Fundamental Gap of Convex Domains. in Space Forms and Surface报告人：韦国芳 教授 （University of California, Santa Barbara）地点：逸夫楼213室时间：2024年7月4日 星期四 14:00-14:50Abstract: The fundamental (or mass) gap refers to the difference between the first two eigenvalues of the Laplacian or more generally for Schrödinger operators.Itis a very interesting quantity both in mathematics ...2024年07月04日
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Positive Mass Theorem and Positive Scalar Curvature for Singular Metrics题目：Positive Mass Theorem and Positive Scalar Curvature for Singular Metrics报告人：戴先哲 教授 （University of California, Santa Barbara）地点：逸夫楼213室时间：2024年7月4日 星期四 16:00-16:50Abstract: The positive mass theorem of Schoen-Yau and Witten is one of the most important results about scalar curvature. Various motivations lead to consideration of singular metrics. I will review the...2024年07月04日
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A Multiscale Generalized Shrinkage Threshold Network for Image Blind Deblurring in Remote Sensing题目：A Multiscale Generalized Shrinkage Threshold Network for Image Blind Deblurring in Remote Sensing报告人：杨银 教授 （湘潭大学 数学与计算科学学院）地点：宁静楼117室时间：2024年7月3日 星期三 8:00-9:00摘要：Remote sensing images are essential for many applications of the Earth’s sciences, but their quality can usually be degraded due to limitations in sensor technology and complex imaging e...2024年07月02日
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High-Order Singular Value Decomposition in Tensor Analysis题目：High-Order Singular Value Decomposition in Tensor Analysis报告人：张安如 教授 （杜克大学）地点：致远楼101室时间：2024年6月28日 星期五 10:30-11:30摘要：The analysis of tensor data, i.e., arrays with multiple directions, is motivated by a wide range of scientific applications and has become an important interdisciplinary topic in data science. In this talk, we discuss the fundamental task o...2024年06月28日
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A Reaction-Diffusion-Advection Model for Glucose Metabolism题目：A Reaction-Diffusion-Advection Model for Glucose Metabolism报告人：史峻平 教授 （美国威廉玛丽学院 数学系）地点：致远楼101室时间：2024年6月28日 星期五 15：40摘要：A reaction-diffusion-advection glucose metabolism model is proposed to describe the spatiotemporal behaviors of glucose in the pancreatic islet. The global existence and boundedness of the solution to the model are proved, and th...2024年06月26日
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4×4 Irreducible Sign Pattern Matrices that Require Four Distinct Eigenvalues题目：4×4 Irreducible Sign Pattern Matrices that Require Four Distinct Eigenvalues报告人：李忠善 教授 （佐治亚州立大学）地点：致远楼101室时间：2024年6月20日 星期四 上午10:00-11:30报告摘要：JP J. Algebra Number Theory Appl., 2:2 (2002), 161--179, Li and Harris characterized the 2×2 and 3×3 irreducible sign pattern matrices that require all distinct eigenvalues, and established some useful genera...2024年06月17日
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A Moment-Based Hermite WENO Scheme with Unified Stencils for Hyperbolic Conservation Laws题目：A Moment-Based Hermite WENO Scheme with Unified Stencils for Hyperbolic Conservation Laws报告人：邱建贤 教授 （厦门大学 数学科学学院）地点：致远楼108室时间：2024年6月14日 星期五 下午5:00-6:00摘要：In this presentation, we introduce a fifth-order moment-based Hermite weighted essen[1]tially non-oscillatory scheme with unified stencils (termed as HWENO-U) for hyperbolic conservation laws. T...2024年06月05日
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Analyze Time-to-event Data Using Survival Mixed Membership Blockmodel题目：Analyze Time-to-event Data Using Survival Mixed Membership Blockmodel报告人：宋方达 助理教授 （香港中文大学（深圳））地点：致远楼108室时间：2024年6月5日 15：00-16：30摘要：Whenever we send a message via a channel such as E-mail, Facebook, WhatsApp, WeChat, or LinkedIn, we care about the response rate—the probability that our message will receive a response—and the response time—how lon...2024年06月04日
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