搜索结果: 76-90 共查到“偏微分方程”相关记录1914条 . 查询时间(0.414 秒)
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：HT-Net: Hierarchical Transformer based Operator Learning Model for Multiscale PDEs
HT-Net 分层变压器 多尺度 偏微分方程 算子学习模型
2023/5/6
Complex nonlinear interplays of multiple scales give rise to many interesting physical phenomena and pose major difficulties for the computer simulation of multiscale PDE models in areas such as reser...
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：Multiscale finite element methods: ideas and challenges
多尺度 有限元方法 思路 挑战
2023/5/6
Multiscale phenomena significantly impact on the computation and modeling for scientific and engineering problems. Multiscale finite element methods are used to build reduced order computational model...
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：On the classification of entire solutions to the critical p-Laplace equation
临界 p-拉普拉斯方程 整个解 分类
2023/5/9
In this talk, we will focus on the classification of positive solutions to the critical p-Laplace equation. It is well known that such issue is crucial in many applications such as a priori estimates,...
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：Some estimates on an exterior Steklov eigenvalue problem
外部 斯特克洛夫特征值 估计
2023/5/9
In this talk we will discuss a Steklov eigenvalue problem on an exterior Euclidean domain. We will present sharp lower and upper bounds for its first eigenvalue under various conditions on the domain....
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：Deep adaptive sampling for numerical PDEs
数值 偏微分方程 深度 自适应采样
2023/5/15
Adaptive computation is of great importance in numerical simulations. The ideas for adaptive computations can be dated back to adaptive finite element methods in 1970s. In this talk, we shall first re...
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：Quantum algorithms for nonlinear partial differential equations
非线性 偏微分方程 量子算法
2023/5/16
Nonlinear partial differential equations (PDEs) are crucial to modelling important problems in science but they are computationally expensive and suffer from the curse of dimensionality. Since quantum...
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：Volume preserving Gauss curvature flow of convex hypersurfaces in the hyperbolic space
双曲空间 凸超曲面 保体积 高斯曲率流
2023/5/15
In this talk, we discuss Y. Wei, B. Yang and T. Zhou’s preprint arXiv:2210.06035, in which they consider volume preserving curvature flows of smooth, closed and convex hypersurfaces in hyperbolic spac...
非线性不确定系统PID控制的理论基础
非线性 不确定系统 PID控制 理论基础
2023/1/5
As is well-known, the classical PID control plays a dominating role in various control loops of industrial processes. However, a theory that can explain the rationale why the linear PID can successful...
气态星云的连续引力塌缩及零压欧拉-泊松方程
气态星云 引力塌缩 零压 欧拉-泊松方程
2023/1/5
The gravitational collapse of an isolated self-gravitating gaseous star for $\gamma$-law pressure $p(\rho)=\rho^\gamma$ ($1<\gamma<\frac43$) in the mass-supcritical case is investigated. It was first ...
中国科学院数学物理学部李大潜院士（图）
中国科学院数学物理学部 偏微分方程 最优控制理论 有限元法理论 封东来 院士
2022/9/8
数学家，主要从事偏微分方程、最优控制理论及有限元法理论研究。1937年11月生于江苏南通。1957年毕业于复旦大学数学系，1966年该校在职研究生毕业。1995年当选为中国科学院院士。
中国科学院数学物理学部洪家兴院士（图）
中国科学院数学物理学部 偏微分方程 洪家兴 院士
2022/9/8
数学家，主要从事偏微分方程及其几何应用方面研究。1942年11月生于上海。1965年毕业于复旦大学数学系，1982年于复旦大学获博士学位。2003年当选为中国科学院院士。
中国科学院数学物理学部陈恕行院士（图）
中国科学院数学物理学部 高维非线性守恒律方程组 数学理论 陈恕行 院士
2022/9/8
数学家，长期从事偏微分方程理论与应用的研究，特别是关于高维非线性守恒律方程组与激波的数学理论研究。1941年6月出生于上海市。1962年毕业于复旦大学数学系，1965年于复旦大学获硕士学位。2013年当选为中国科学院院士。
标准化场流：求解随机微分方程正反问题的物理机制场流模型方法
标准化场流 随机微分方程 物理机制场 流模型方法
2023/1/5
We introduce in this work the normalizing field flows (NFF) for learning random fields from scattered measurements. More precisely, we construct a bijective transformation (a normalizing flow characte...
This paper is concerned with the numerical solution of the Maxwell–Schrodinger system under the temporal gauge, which describes light–matter interactions. We first propose a semidiscrete finite elemen...