学术报告
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The (a,b,c)-Generalized Motzkin Paths with Vertical Steps: Bijections and Statistic Enumerations题目:The (a,b,c)-Generalized Motzkin Paths with Vertical Steps: Bijections and Statistic Enumerations报告人:孙怡东 教授 (大连海事大学)时间:2023年11月13日 (星期一) 下午3:00-4:30地点:致远楼103室摘要:A generalized Motzkin path, called G-Motzkin path for short, of length n is a lattice path from (0, 0) to (n, 0) in the first quadrant of the xoy-plane that consists of up steps u=(1, 1), dow...2023年11月09日
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Entropy Power Inequalities On Riemannian Manifolds And Ricci Flow题目:Entropy Power Inequalities On Riemannian Manifolds And Ricci Flow报告人:李向东 教授 (中国科学院数学与系统科学研究院)时间:2023年11月3日 16:00-17:00地点:致远楼101室Abstract: In this talk, I will first recall the entropy power inequalities for the heat equation and nonlinear diffusion equation on Euclidean spaces. Then I will present our recent results on the entropy power inequalities...2023年10月31日
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Optimization and Preconditioning: TPD Algorithms for Nonlinear PDEs题目:Optimization and Preconditioning: TPD Algorithms for Nonlinear PDEs报告人:郭汝驰 助理教授 (香港中文大学)时间:2023年11月1日 (星期三) 下午3:00-4:00地点:致远楼101室摘要: In physics and mathematics, a large class of PDE systems can be formulated as minimizing energy functionals subject to certain constraints. Lagrange multipliers are widely used for solving these problems, which howe...2023年10月30日
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Strong Convergence Rate of a Semi-Implicit Scheme for Allen-Cahn Equation Driven By Multiplicative Noise题目:Strong Convergence Rate of a Semi-Implicit Scheme for Allen-Cahn Equation Driven By Multiplicative Noise报告人:黄灿 副教授 (厦门大学)时间:2023年10月26日 10:00-11:00地点:致远楼103室摘要:In this talk, I shall consider a fully discrete scheme for stochastic Allen-Cahn equation in a multi-dimensional setting. Our method uses a polynomial based spectral method in space, and alleviates a...2023年10月25日
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Quasi-Uniform Error Estimates for the Fourth Order Singularly Perturbed Bi-Wave Problem题目:Quasi-Uniform Error Estimates for the Fourth Order Singularly Perturbed Bi-Wave Problem报告人:石东洋 教授 (烟台大学)时间:2023年10月24日(星期二)16:00-17:00地点:宁静楼117室摘要:In this talk, we will present some new developments on quasi-uniform error estimates of the fourth order singularly perturbed Bi-wave problem with conforming and nonconforming elements. Numerical experiment...2023年10月23日
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A Free Boundary Problem for Modeling Plaques in the Recent Progress题目:A Free Boundary Problem for odeling Plaques in the Recent Progress报告人:Prof. Bei Hu (University of Notre Dame)时间:2023年10月26日 (星期四) 14:00—15:00地点:致远楼101室摘要:Atherosclerosis is a leading cause of death worldwide; it originates from a plaque which builds up in the artery. We considered a simplified model of plaque growth involving LDL and HDL cholesterols, macrophages...2023年10月19日
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The Lp Minkowski Type Problems for a Class of Mixed Hessian Type Operators题目:The Lp Minkowski Type Problems for a Class of Mixed Hessian Type Operators报告人:陈传强 教授 (宁波大学)时间:2023年10月19日 14:30-15:30地点:腾讯会议室摘要:In this talk, we introduce some mixed Hessian type operators and some works about the corresponding Minkowski type probblems,which are joint works with Lu Xu.参会方式:腾讯会议室账号:662-859-6692All are welcome2023年10月18日
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A Generalization of Newton-Maclaurin's Inequalities题目:A Generalization of Newton-Maclaurin's Inequalities报告人:任长宇 教授 (吉林大学)时间:2023年10月19日 13:30-14:30地点:腾讯会议室摘要:In this talk, we will introduce Newton-Maclaurin type inequalities for functions obtained by linear combination of two neighboring symmetry functions, which is a generalization of the classical Newton-Maclaurin inequality.参会方式:腾讯会议室账号:662-...2023年10月18日
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Nonrelativistic Limit of the Klein-Gordon Equations: Convergence Rates and Long Time Approximations题目:Nonrelativistic Limit of the Klein-Gordon Equations: Convergence Rates and Long Time Approximations报告人:吕勇 教授 (南京大学)时间:2023年10月19日 11:00-12:00地点:腾讯会议室摘要:We study the nonrelativistic limit of the cubic Klein-Gordon equations. We show the cubic Klein-Gordon equation converges to the cubic Schr\"odinger equation with a convergence rate of order $\epsilon^{2}$. I...2023年10月18日
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Monge-Ampere方程一类障碍问题自由边界的正则性题目:Monge-Ampere方程一类障碍问题自由边界的正则性报告人:唐岚 副教授 (华中师范大学)时间:2023年10月19日 9:00-10:00地点:腾讯会议室摘要:在已知假设条件光滑(解析)的情况下,我们证明了自由边界是光滑的(解析的)。参会方式:腾讯会议室账号:662-859-6692All are welcome2023年10月18日