搜索结果: 121-135 共查到“知识库 数学”相关记录200条 . 查询时间(2.361 秒)
模拟VPFP方程的切触粒子方法
模拟 VPFP方程 切触粒子方法
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2023/1/5
This paper develops a numerical discretization for solving the Vlasov–Poisson–Fokker–Planck system, which is a model for describing collisional plasma in the presence of a self-consistent electric fie...
具有Pfaffian结构的Hermite-Pade逼近以及相关的Novikov尖峰孤子系统和可积格子方程
Pfaffian结构 Hermite-Pade逼近 Novikov尖峰孤子系统 可积格子方程
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2023/1/5
Motivated by the Novikov equation and its peakon problem, we propose a new mixed type Hermite–Padé approximation whose unique solution is a sequence of polynomials constructed with the help of Pfaffia...
基于二值测量的线性随机系统的分布式辨识
二值测量 线性随机系统 分布式辨识
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2023/1/5
The problem of distributed identification of linear stochastic system with unknown coefficients over time-varying networks is considered. For estimating the unknown coefficients, each agent in the net...
求解半导体器件三维漂移扩散模型的一组平均化有限元方法
半导体器件 三维漂移扩散模型 平均化 有限元方法
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2023/1/5
Obtaining a satisfactory numerical solution of the classical three-dimensional drift-diffusion (DD) model, widely used in semiconductor device simulations, is still challenging nowadays, especially wh...
反源问题正则解及其有限元逼近的随机收敛性
反源问题 正则解 有限元逼近 随机收敛性
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2023/1/5
In this work, we investigate the regularized solutions and their finite element solutions to the inverse source problems governed by partial differential equations, and we establish the stochastic con...
3维O(N)线性sigma模型的大N极限
3维O(N) 线性sigma模型 大N极限
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2023/1/5
In this paper we study the large N limit of the O(N)-invariant linear sigma model, which is a vector-valued generalization of the Φ4\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasys...
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
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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...
GL2的岩泽主猜想和p进L函数的导数
GL2 岩泽主猜想 p进L函数 导数
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2023/1/5
We prove under mild hypotheses the three-variable Iwasawa main conjecture for $p$-ordinary modular forms in the indefinite setting. Our result is in a setting complementary to that in the work of Skin...
庞加莱偶的概念
庞加莱 偶 概念 中国科学院数学与系统科学研究院
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2023/1/5
We establish a number of foundational results on Poincaré spaces which result in several applications. One application settles an old conjecture of C.T.C. Wall in the affirmative. Another result shows...
离散线性系统的量化输出反馈模型参考控制
离散线性系统 量化输出 反馈模型 参考控制
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2023/1/5
This paper proposes a model reference control (MRC) scheme for general discrete-time linear time-invariant (LTI) systems subject to output quantization and saturation. In such a scheme, the quantized-...
时间规范下Maxwell–Schrodinger系统的有限元分析
时间规范 Maxwell–Schrodinger系统 有限元分析
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2023/1/5
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...
辨识切换线性系统的持续激励条件
辨识 线性系统 持续激励条件
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2023/1/5
This paper investigates the uniqueness of parameters via persistence of excitation for switched linear systems. The main contribution is a much weaker sufficient condition on the regressors to be pers...
最优与两步自适应量子探测器层析
最优 自适应 量子探测器 层析
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2023/1/5
Quantum detector tomography is a fundamental technique for calibrating quantum devices and performing quantum engineering tasks. In this paper, we design optimal probe states for detector estimation b...
增广拉格朗日方法可以近似求解最小约束违背凸优化问题
拉格朗日方法 近似求解 最小约束 违背凸优化问题
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2023/1/5
There are many important practical optimization problems whose feasible regions are not known to be nonempty or not, and optimizers of the objective function with the least constraint violation prefer...