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Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：On the Finite-Time Splash for the free boundary incompressible Navier–Stokes equations (I)
自由边界 不可压缩 Navier-Stokes方程 有限时间飞溅
2023/5/18
In this talk, we consider the incompressible Navier-Stokes equations with free boundary, which has a finite-time splash singularity for a large class of specially prepared initial data. The approach i...
With new experimental method, researchers probe spin structure in 2D materials for first time（图）
2D材料 自旋结构 “魔角”石墨烯
2023/6/26
By observing spin structure in “magic-angle” graphene, a team of scientists led by Brown University researchers have found a workaround for a long-standing roadblock in the field of two-dimensional el...
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：Long-time behavior of Alfven waves in a flowing plasma
阿尔文波 流动 等离子体 长期行为
2023/4/28
In this talk, we consider the long-time behavior of the linearized MHD equations around a steady flowing plasma. We confirm the following physical phenomenon: there will be a generation of a magnetic ...
LHCb begins using unique approach to process collision data in real-time（图）
LHCb 碰撞数据 大型强子对撞机
2023/5/29
Current technology does not allow all Large Hadron Collider (LHC) proton–proton collision data to be stored and analysed. It is therefore necessary to filter out the data according to the scientific g...
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：Calculation of high-order harmonic generation of atoms and molecules by combining time series prediction and neural networks
时间序列预测 神经网络计算 原子分子 高阶谐波生成
2023/5/9
High-order harmonic generation (HHG) from the interaction of ultra-intense laser pulses with atoms is an important tabletop short-wave coherent light source. Accurate quantum simulations of it present...
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：A constructive proof of finite time blowup of 3D incompressible Euler equations with smooth data
光滑数据 三维不可压缩 欧拉方程 有限时间爆破 构造性证明
2023/5/10
Whether the 3D incompressible Euler equations can develop a finite time singularity from smooth initial data is one of the most challenging problems in nonlinear PDEs. In this talk, we will present a ...
An app developed by Cornell researchers uses augmented reality to help users repeatedly capture images from the same location with a phone or tablet to make time-lapse videos – without leaving a camer...
NASA’s powerful James Webb Space Telescope opens a new chapter in scientific history, as a large international team – including several Cornell astronomers – found molecular evidence of carbon dioxide...
Physicists find direct evidence of strong electron correlation in a 2D material for the first time（图）
二维材料 强电子 相关性 非常规超导性
2023/6/7
In recent years, physicists have discovered materials that are able to switch their electrical character from a metal to an insulator, and even to a superconductor, which is a material in a friction-f...
Humans are pretty good at looking at a single two-dimensional image and understanding the full three-dimensional scene that it captures. Artificial intelligence agents are not.
Researchers develop real-time lyric generation technology to inspire song writing
LyricJam song writing musical expressions
2021/8/11
Music artists can find inspiration and new creative directions for their song writing with technology.
2021年7月，ACM SIGKDD中国分会年会在成都召开，会上颁发了2021年度“Test of TimeAward”，用于奖励由中国科学技术大学、微软亚洲研究院的研究者合作发表在2011年ACM SIGKDD Conference on Knowledge Discovery and Data Mining（KDD 2011）的研究论文“Driving with Knowledge from ...
2021年3月28日-4月1日，欧洲信息检索会议（ECIR）于线上召开并发布公示，中国人民大学高瓴人工智能学院赵鑫教授的研究成果荣获“Test of Time Award”奖项，该成果系赵鑫博士期间发表的第一作者论文“Comparing Twitter and Traditional Media Using Topic Models”。
西安电子科技大学数字信号处理英文课件Chapter3 The Discrete-time Fourier Analysis
西安电子科技大学 数字信号处理 英文课件 Chapter3 The Discrete-time Fourier Analysis
2020/6/22
西安电子科技大学数字信号处理英文课件Chapter3 The Discrete-time Fourier Analysis。
西安电子科技大学数字信号处理英文课件Chapter2 Discrete-time Signal and Systems
西安电子科技大学 数字信号处理 英文课件 Chapter2 Discrete-time Signal Systems
2020/6/22
西安电子科技大学数字信号处理英文课件Chapter2 Discrete-time Signal and Systems。