搜索结果: 106-120 共查到“数学”相关记录1130条 . 查询时间(1.401 秒)
人口老龄化、均衡膳食与我国粮食需求
人口老龄化 均衡膳食 粮食需求
2023/12/13
The need to make more accurate grain demand (GD) forecasting has become a major topic in the current international grain security discussion. Our research aims to improve short term GD prediction by e...
时域波动方程问题的多重散射积分方程算法
时域波动方程 多重散射 积分方程算法
2023/12/13
This paper proposes a frequency-time hybrid solver for the time-dependent wave equation in two-dimensional interior spatial domains. The approach relies on four main elements, namely, (1) A multiple s...
量子探测器层析中的正则化与最优化
量子探测器 层析 正则化 最优化
2023/12/13
Quantum detector tomography (QDT) is a fundamental technique for calibrating quantum devices and performing quantum engineering tasks. In this paper, we utilize regularization to improve the QDT accur...
非自伴Dirac算子的椭圆有限带位势
非自伴 Dirac算子 椭圆 有限带位势
2023/12/13
We present an explicit two-parameter family of finite-band Jacobi elliptic potentials given by $q\equiv A\dn(x;m)$, where $m\in(0,1)$ and $A$ can be taken to be positive without loss of generality, fo...
模逆隐藏数问题的求解及其应用
模逆 隐藏数问题 求解
2023/12/13
The Modular Inversion Hidden Number Problem (MIHNP), which was proposed at Asiacrypt 2001 by Boneh, Halevi, and Howgrave-Graham, is summarized as follows: Assume that the $\delta $ most significant bi...
一般线性群上随机游动系数的大偏差展式
线性群 随机游动系数 大偏差展式
2023/12/13
Consider $(g_n)_{n\geq 1}$ a sequence of independent and identically distributed random matrices and the left random walk $G_n : = g_n \ldots g_1$ on the general linear group $GL(d, \mathbb R)$. Under...
对称椭圆特征值问题的一个局部化的最优预处理Newton-Schur方法
对称椭圆 特征值问题 局部化 最优预处理 Newton-Schur
2023/12/13
A locally optimal preconditioned Newton-Schur method is proposed for solving symmetric elliptic eigenvalue problems. Firstly, the Steklov-Poincaré operator is used to project the eigenvalue problem on...
斜多项式稀疏矩阵乘法
斜多项式 稀疏矩阵 乘法
2023/12/13
Based on the observation that \mathbb{Q}^{(p-1) \times (p-1)} is isomorphic to a quotient skew polynomial ring, we propose a new deterministic algorithm for (p-1)\times(p-1) matrix multiplication over...
粗糙边界上斯托克斯系统的高阶边界层和正则性
粗糙边界 斯托克斯系统 高阶边界层 正则性
2023/12/13
In this paper, we study the large-scale boundary regularity for the Stokes system in periodically oscillating John domains. Our main contribution is the construction of boundary layer correctors of ar...
带有固执个体的级联观点动力学的同步研究
固执个体 级联观点 动力学 同步研究
2023/12/13
This article investigates a two-timescale opinion dynamics model, named the concatenated Friedkin–Johnsen (FJ) model, which describes the evolution of the opinions of a group of agents over a sequence...
具有乘性噪声的随机三维Burgers方程的全局适性和正则性
乘性噪声 随机三维Burgers方程 全局适性 正则性
2023/12/13
By utilizing the so-called Doss–Sussman transformation, we link our stochastic 3D Burgers equation with linear multiplicative noise to a random 3D Burger equation. With the help of techniques from par...
带特定标记的分位数回归模型
特定标记 分位数 回归模型
2023/12/13
Quantile regression has become a widely used tool for analysing competing risk data. However, quantile regression for competing risk data with a continuous mark is still scarce. The mark variable is a...
交通运输部公路科学研究所2024年硕士研究生招生考试自命题科目考试大纲和参考书目
交通运输部 公路科研所 硕士研究生 自命题 考试大纲 参考书目 结构力学 控制理论 运筹学 机械原理
2023/11/23
交通运输部公路科学研究所2024年硕士研究生招生考试自命题科目考试大纲和参考书目。
中国科学院合肥物质科学研究院专利：一种电子驻车制动系统的电源模块
中国科学院合肥物质科学研究院 专利 电子驻车 制动系统 电源模块
2023/9/14
中国科学院合肥物质科学研究院专利：一种电子驻车制动系统的电源模块
