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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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寻找第四类数值方法题目：寻找第四类数值方法报告人：邵嗣烘 教授 （北京大学）地点：致远楼101室时间：2025年4月3日 上午10:00摘要：微分方程数值解近百年的发展汇成了三大类基本的数值离散方法：50年代的有限差分，60年代的有限元和70年代的谱方法。这三类方法的收敛性都依赖于解的正则性，要达到最优的收敛阶需要精心调配网格，导致在求解高维问题时会遇到维度灾难。当数据和智能科学的热潮涌来时，情况变得更糟糕，因为可能再也没有微分方程可...2025年03月31日
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Frenkel-Kontorova Type Models in 1D Periodic and Aperiodic Media题目：Frenkel-Kontorova Type Models in 1D Periodic and Aperiodic Media报告人：苏喜锋 副教授 （北京师范大学）地点：致远楼108室时间：2025年3月20日 15:30-16:30摘要：We will first introduce some basic settings for Frenkel-Kontorova type models in solid state physics and survey about the related both classical and quantum models.We then focus on deposition of one dimensional chains of interacting pa...2025年03月18日
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Nearly Geodesic Surfaces are Filling题目：Nearly Geodesic Surfaces are Filling报告人：韩肖垄 助理教授 （上海数学与交叉学科研究院和复旦大学）时间：2025年3月20日 10:45-1145地点：致远楼108室摘要：A surface S in a manifold M is filling if S cuts M into contractible components. We prove for any closed hyperbolic 3-manifold M , there exists a K”> 0 such that every homotopy class of K-quasi-Fuchsian surfaces with 1<K ≤ K” is filling....2025年03月12日
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Linearly Growing Injectivity Radius in Negatively Curved Manifolds with Small Critical Exponent题目: Linearly Growing Injectivity Radius in Negatively Curved Manifolds with Small Critical Exponent报告人：Assistant Professor Ilya Gekhtman （Technion-Israel Institute of Technology）时间：2025年3月20日 9:30-10:30地点：致远楼108室 摘要: Let X be a proper geodesic Gromov hyperbolic space whose isometry group contains a uniform lattice \Gamma. For instance, X could be a negatively curved contr...2025年03月12日
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Ergodic Theory of Lorenz attractors题目：Ergodic Theory of Lorenz attractors报告人：王晓东 教授 （上海交通大学）时间：2025年3月7日 10:00-11：00地点：致远楼101室Abstract：The Lorenz attractor is one of most classical models of chaotic dynamical systems and has drawn lots of interest since it was introduced in the 1960s. In this talk, we focus on the ergodic measure space of Lorenz attractors and study its ergodic theory including...2025年03月03日
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Dynamic Adaptive Gridding in Numerical Simulation of Selected Processesin CO2 Storge in Subsurface Aquifers and Fracturing with Consideration题目：Dynamic Adaptive Gridding in Numerical Simulation of Selected Processesin CO2 Storge in Subsurface Aquifers and Fracturing with Consideration报告人：Professor Abbas Firoozabadi （Department of chemical and BiomolecularEngineering, Rice University）地点：致远楼108室时间：2025年2月24日 10：00-11：30摘要：CO2 has gas like viscosity, liquid-like density, often low surface energy with rocks. i...2025年02月21日
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Anosov Flows on 3-Manifolds and Group Actions on the Circle题目：Anosov Flows on 3-Manifolds and Group Actions on the Circle 报告人：Professor Christian Bonatti （University of Burgundy）时间：2025年2月24、25、27、28日 9:30-11:00 地点：致远楼101室腾讯线上：24号 腾讯会议：396497105会议密码：430795 25号 腾讯会议：948509470 会议密码：684509 27号 腾讯会议：633519466 会议密码：731148 28号 腾讯会议：176132125 会议密码：871004摘要：...2025年02月21日
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Lectures on Fracturing and Heat Xtraction from Geothermal Formations题目：Lectures on Fracturing and Heat Xtraction from Geothermal Formations报告人：Professor Abbas Firoozabadi (Rice University)地点：致远楼108室时间：2025年2月23日-26日 14：00-1600摘要：1-Introduction and key variables in solid mechanics and fluid mechanics,(02-23 14: 00-16: 00) 2-Generalizations of Hook’s law from 1 D to 3D as well as 2D media.(02-23 14: 00-16: 00) 3-Unified thermod...2025年02月21日
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Characters of GL(n,q）and Vertex Operators题目：Characters of GL(n,q）and Vertex Operators报告人：Prof. Naihuan Jing (北卡州立大学)地点：致远楼101室时间：2025年1月7日 10:30-11:30摘要：We give a new approach to compute irreducible characters of the general linear group over the finite field. Character theory of GL(n,q) was a classic result of Green that shaped representation theory. Zelevinsky also used PSH Hopf algebras to reformulate...2025年01月06日
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Analysis and Simulations of Maxwell's Equations for Invisibility Cloaks and Graphene题目：Analysis and Simulations of Maxwell's Equations for Invisibility Cloaks and Graphene报告人：Prof. Jichun Li (University of Nevada Las Vegas)地点：致远楼108室时间：2025年1月6日 10:00-11:00Abstract: Maxwell's equations play an important role in analyzing and modeling of wave propagation in electric and optical materials. In this talk, I'll focus on some time-dependent Maxwell's equations ...2024年12月31日
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