matrix groups

Matrix groups of elliptic curve points : a new approach to simultaneous implementation of key agreement and privacy

椭圆曲线点阵群：同时实施密钥交换与保密性的一种新途径

A Remark on n-Dimensional Matrix Groups

关于n-维矩阵群的注记

It includes the following contents : ( 1 ) It studies the principle of machine vision calibration , and uses calibration matrix groups of subjunctive grid to realize the method of collecting boundary edge of the object on the condition of using more CCD cameras .

研究了机器视觉系统的标定原理，提出了用虚拟网格标定矩阵组来实现多摄像机采集样件的边缘轮廓测取方法。

A class of multiplicatively closed Subsets S_2 that is isomorphic to a class of unitary matrix groups U_2 is given by Hyperbolic Euler transformation in this paper . The relation of linear transformation to Lorentz transformation on Hyperbolic plane H is also illustrated in detail .

本文利用双曲Euler公式[1]，给出了双曲平面H上的一类乘闭子集S2与一类幺正矩阵群U2[2]同构，证明并具体刻划了H平面上的线性变换与Lorentz变换的关系。

Also , after some prelimenaries , We have Obtained that the semigroup is further nil-extension of the matrix of groups , but the converse is not all true .

在给出它的若干特征之后，指出这一类半群也是群的矩阵的幂零元-理想扩张，但反之未必成立。

The magnetic order of a special quasi-one-dimensional Heisenberg antiferromagnetic spin model with numerical density matrix renormalization groups is discussed . The ground energy per unit cell , spin correlation function and the spin gap are calculated .

利用数值密度矩阵重整化群方法对一种特殊的准一维海森堡反铁磁自旋系统的基态磁性序问题进行研究，计算了单个晶胞的基态能、自旋关联函数以及自旋能隙。

The method utilizes exist product information to create the relation matrix , and groups product architecture with Cuthill-McKee algorithm .

此方法利用已有产品的模型信息，建立关于已有产品功能/机构/零件的关系矩阵，并利用矩阵带宽优化算法（Cuthill-McKee算法），通过规划矩阵内单元，从而达到总体规划新产品体系结构的目的。

The RNA was extrac - ted from the tissuses and purified . The differential gene expression of extracellular matrix in two groups was estimated by using Agilent rat cDNA microarray . The differentially expressed gene was validated by real-time PCR .

所取组织经RNA提取及纯化后，采用Agilent大鼠cDNA芯片比较2组大鼠细胞外基质的差异性基因表达，对差异性表达的基因进一步采用实时定量PCR法验证。

On Discovery of Generated Matrix for Pythagorean Number Groups

勾股数组生成矩阵的发现探究

The VCAM-1 expression is not different between the acellular allo-dermal matrix composite skin grafting groups and the acellular xeno-dermal matrix group .

同种和异种真皮移植物VCAM-1表达无差别。