对称群

关于n次对称群的中心

About the Centre of the n-order Symmetric Group

Icon对称群映射的广义M集与混沌吸引子的研究

Research on General M Set and Chaotic Attractor from Icon Symmetric Group

Fuzzy对称群和量子力学

Fuzzy Group of Symmetries and Quantum Mechanis

DNA序列全对称群和多义密码子的对称性（Ⅰ）（英文）

A Complete Symmetrical Group of DNA Sequences and Symmetry of Poly-Codon Sequences (ⅰ)

讨论了近世代数中n次对称群的分类问题。

The problem about classification of is discussed .

对称群S4及其正规子群A4、K4的若干性质

Symmetry group S_4 And their standard subgroup A_4 , K_4 Some characters

C（60）对称群Ih的特征标和Ih群CSCO&I的本征值谱

Characters of symmetry group of C_ ( 60 ) and Eigenvalue of CSCO-I of I_h group

保持n-形式系统的Lie对称群约化及应用

Lie symmetry group reduction of the systems preserving n-form and Its Applications

线性分子对称群的不可约表示和f轨道的对称性

Irreducible representations of the groups of linear molecules and symmetrical properties of F orbitals

原子核动力学U（15/30）超对称群结构

The group structure of supersymmetry u ( 15 / 30 ) in nuclei

偏微分方程组的Lie群与高阶对称群的Taylor多项式逐步精化算法

Taylor Polynomial Stepwise Refinement Algorithm for Lie and High Symmetries of Partial Differential Equations

对称群Sn的极小生成集

Minimum generated set of symmetric group SN

形变Boussinesq方程的对称群及其行波解

Symmetry group analysis and similarity solutions of variant Boussinesq equation

Bi（12）GeO（20）晶体的位错蚀斑与对称群

The etch pits of dislocations and symmetry group in bi_ ( 12 ) geo_ ( 20 ) crystal

Fokker-Planck方程的非古典势对称群及新显式解

Nonclassical potential symmetries and new explicit solutions of Fokker-Planck equation

对称群上的一类哈密顿Cayley图

A Class of Hamiltonian Cayley Graphs on the Symmetric Group

对称群表的系统校验（续）&论证P42/nnm总公式B的错误

Systematic check of symmetry group tables ( continued ) & proof on the error of the general formula B of the space group p42 / nnm

本文通过对基础图论的研究给出平面内n个点关于它们之间的联线的若干组合结论，同时还给出对称群Sn关于它的生成元系的一个结论。

Under the research of basic graph theories , the author concludes the numerous combinations of connective lines between n points in a plane , and makes a conclusion of the generation function of symmetric group Sn .

本文讨论了计算对称群的所有子群并对其进行共轭分类的算法，作为例子，我们完成了Sn（n≤7）的所有子群的共轭分类。

This paper designs an algorithm to find all subgroups of a symmetric group and to complete their conjugation classification , as examples , we complete the conjugation classification of all subgroups of S_n ( n ≤ 7 ) .

对称群方法对可用IST方法求解的可积系统的完全分类是一种很有效的方法。

The method of symmetry group is very useful to the complete classification of the sys-tems integrable by IST .

3j符号和6j符号的对称群及其封闭性

On the " Symmetry Group " and the Closure of the 3j and 6j Symbols

利用遍历理论，我们可以得到该基本tile的勒贝格测度是一个有理数，该有理数的分母等于定义tile所用到的对称群的阶。

Using ergodic theory , we show that the Lebesgue measure of the tile is a rational number where the denominator equals to the order of the associate symmetry group .

首先我们学习和研究了对称群和约化的理论和方法，其中包括：经典李群方法、非经典李群方法、CK直接约化法及改进的CK方法。

Firstly , we studyed the theories and methods of the symmetry group and reductions , including classical Lie group method , nonclassical Lie group method , CK direct method and the modified CK method .

对于速度平方力作用下的含时阻尼谐振子，我们依靠一特定坐标变换用Lewis与Leach所提出的直接方法求得其不变量，用扩张李群的方法获得其完全对称群。

For a time dependent damped harmonic oscillator with a force quadratic in velocity , we use the direct approach developed by Lewis and Leach to obtain the invariants by means of a specific coordinate transformation .

本文利用Schur函数的相增和Schur级数给出了对称群作为正交群的子群的一般表示和自旋表示n-无关的分歧律。

In this paper , we give the n-independent branching laws of symmetric groups as the subgroups of orthogonal groups in terms of the plethysm of Schur functions and Schur series .

具体而言，我们介绍了Coxeter系统、对称群、排列统计量、Dyck路、完美匹配等。

To be specific , we introduce the Coxeter system , the symmetric group , Dyck path , perfect matching and so on .

根据对称群的基本性质以及第二同构定理，给出了通过添加生成元到p群来构造对称群的一个Sylow-p子群的定理，添加的生成元保证能够快速得到对称群的一个Sylow-p子群。

Based on the second isomorphic theorem and properties of the symmetric group , a theorem is proposed to construct one Sylow-p group of symmetric group by adding generators to p-group .

另外，我们还给出了广义Kadomtsev-Petviashvili方程的古典对称群分类，并结合变系数广义Tanh函数方法获得了其群不变解。

Finally , group classification of a generalized KP equation is undertaken . Group invariant solutions of the equation are obtained by combining the symmetry reduction method with the variable coefficient generalized Tanh method .

二维声子晶体能带带隙与对称群的关系

Dependence of Acoustic Band-gaps in Two-dimensional Phononic Crystals on Symmetric Groups

对称群标准表示矩阵计算新方法

A New Technique for Evaluating the Standard Representation Matrices of Symmetric Groups