Parallel vector

The Relation between Parallel Vector Field and Jacobi Field

平行向量场与Jacobi场的关系

In the paper , we discuss the relations among the left invariant vector field , the parallel vector field and the Jacobi field , get a sufficient and necessary condition for a Lie group to be flat .

讨论了李群G上的左不变向量场、平行向量场与Jacobi场之间的关系，得到了G为平坦的一个充要条件。

The Research of General Parallel Vector Crypto Coprocessor

通用并行向量密码处理器研究

Based on the characteristics of crypto processing , the Parallel Vector Crypto Processing Model ( PVCPM ) is promoted following the vector processing principle .

根据密码算法结构特点，结合向量处理机制，提出了并行向量处理模型（PVCPM）。

This experimental setup is applied in the wave-front shaping to generate parallel vector beams with different local field distributions through the production of holographic grating attached on the spatial light modulator .

利用该实验装置对单光束进行波前整形，通过制作加载在空间光调制上的全息光栅，生成具有不同局域场分布的多个平行飞秒矢量光束。

Using hierarchical framework , we divide the parallel vector library into four layers based on SPMD parallel computing model : Application Component Layer , Abstract Data Layer , Data Mapping Layer and Parallel Abstraction Layer .

本文基于SPMD并行计算模型，采用层次式结构模式将并行向量库划分为四个层次：应用组件层，抽象数据层，数据划分层和并行支撑层。

The main work and research fruit is as follow . 1 . Based on the characteristics of crypto processing , the Parallel Vector Crypto Processing Model ( PVCPM ) is promoted following the vector processing principle .

课题的主要工作和研究成果如下：1.根据密码算法结构特点，结合向量处理机制，提出了并行向量处理模型（PVCPM）。

The experiment results indicate that on extending ISA microprocessor the performance of many symmetric-key algorithms is 1.7 ~ 10.8 times higher than on general purpose processor and 0.8 ~ 2.03 higher than on Parallel Vector Crypto Processing .

研究结果表明扩展指令后的微处理器执行多种对称密码算法的性能比通用微处理器性能提高1.7～10.8倍，比并行向量微处理器性能提高了0.8～2.03倍。

Earth simulator is a parallel vector super-computer which developed by National Space Development Agency of Japan ( NASDA ) and Japan Atomic Energy Research Institute ( JAERI ) and Japan Agency for Marine-Earth Science and Technology ( JAMSTEC ) .

地球模拟器是由日本宇宙开发事业团、日本原子能研究所以及海洋科学技术中心共同开发的矢量型超级计算机，用于预测及解析整个地球的大气环流预测、全球变暖预测、地壳变动等。

Design and Implementation of Parallel FORTRAN Vector Processing System

并发FORTRAN向量处理系统的设计与实现

A Hierarchical and Parallel Support Vector Machines Algorithm for Reducing the Training Time

一种可减少训练时间的分层并行支持向量机方法

The Design and Implementation of High-dimension Parallel FFT Vector Coding Algorithm

高维并行FFT向量编码算法的设计与实现

Parallel EBE vector iteration methods for generalized eigenproblems

广义特征值问题的并行EBE向量迭代法

Let M be a Submanifold of Euclidean space with flat normal connection , then there exist parallel normal vector fields .

对欧氏空间中的子流形M，若其法联络平坦，则存在平行的法向量场，由此可得与M平行的子流形M。

A new method of PSVM ( Parallel Support Vector Machine ) derived from traditional TSVM ( Tactic Support Vector Machine ) was proposed to improve calculating efficiency .

针对当前支持向量机计算效率的不足，提出了改进的并行支持向量机技术。

It is found that both parallel magnetic vector potential and electrostatic potential can decisively shift Dirac point in a different way , which may be an efficient way to achieve electron or hole filter .

研究结果发现平行的磁矢势和静电势两者可以以截然不同的方式移动狄拉克点的位置，这有可能成为一种实现电子或空穴滤波器的有效方式。

Based on the local one-dimensional method and one-dimensional alternating segment method , a new alternating segment explicit-implicit ( LASE - I ) method for the two-dimensional diffusion equation is developed , which is suitable for parallel or vector computation .

把局部一维方法与一维交替分段方法相结合构造了解二维扩散问题的交替分段显－稳方法（LASE－I），方法简单且是无条件稳定，特别适用于并行和肉量计算。

Analysis of Kinematics of Delta Parallel Micromanipulator with Vector Space Method

Delta并联微操作手运动学的矢量法分析

Compact totally real submanifolds in a complex space form without parallel mean curvature vector

复空间形式■~（2n）（C）中不存在平行平均曲率向量的紧致全实子流形

Totally real submanifolds with parallel mean curvature vector in cp ~ n

CP~n中具有平行中曲率向量的全实子流形

An integral inequality for Submanifolds with parallel mean curvature vector

具有平行中曲率向量的子流形的一个积分不等式

Submanifolds with Parallel Mean Curvature Vector in Spheres

球面上中曲率向量平行的子流形

Complete space-like submanifolds with parallel mean curvature vector in de Sitter spaces

DeSitter空间中具有平行平均曲率向量的完备类空子流形

Let be a compact pseudo-umbilical submanifolds with parallel mean curvature vector in the quasi constant curvature space .

主要研究了拟常曲率空间中具有常平均曲率的完备超曲面，得到了这类超曲面全脐的一个结果。

The compact pseudo-umbilical submanifold with parallel mean curvature vector in the Riemannian manifold with constant curvature

常曲率黎曼流形中具有平行中曲率向量的紧致伪脐子流形

We study the submanifolds with parallel mean curvature vector in a manifold of quasi constant curvature , and give two integrate inequalities .

研究了拟常曲率流形中具有平行平均曲率向量的子流形，给出了两个积分不等式。

A closed oriented submanifold with parallel mean curvature vector field in a sphere is studied , and a Pinching theorem on the Ricci curvature of the submanifold is obtained .

研究欧氏球面中具有平行平均曲率向量的紧致定向子流形，获得一个关于Ricci曲率满足处处大于或等于n-1+（n-1）H2+3n-2n（n-1）+2nHSn+1-nH2的条件下子流形的分类定理。

The auther worked out a pinching theorem of compact pesudoumbilical submanifolds with parallel mean curvature vector in a locally symmetric conformally flat Riemannian manifolds .

研究局部对称共形平坦黎曼流形中具平行平均曲率向量的紧致伪脐子流形，得到了这类子流形模长平方的一个拼挤定理。

In this paper , we gave an integral inequality for isometric immersed submanifolds with Parallel mean curvature vector in pinched Riemannian manifolds , and improve the result obtained by H.Q.Xu .

本文对一般拼挤黎曼流形中的具有平行平均曲率向量的等距浸入子流形给出了一个积分不等式，改进了已有的结果。

In this paper , we discuss 2-harmonic isometric immersions in a sphere with parallel mean curvature vector . Conditions to become into a minimal immersion and pinching theorems on the second fundamental form are obtained .

本文讨论了单位球面中具平行平均曲率向量的2－调和等距浸入，获得其成为极小浸入的充分条件和关于第二基本形式的Pinching定理。