We mainly discuss the condition underwhich solutions of certain partial differential equations are hypercyclic semigroups,and eventual norm continuity of operator semigroups.
在空间X = C_0(I,C)中,其中I=[0,∞], (?),我们考虑偏微分方程其中h(x)定义在I上的连续有界的函数,(?)为偏微分方程(2)在空间X上的解半群,则:当(?)为X上的超循环半群。
This paper proposes a new group signature scheme derived from a proxy signature scheme which can solve the above problems,and the order of cycle group adopted by this scheme is a public parameter,and the length of group public key is fixed.
本文提出一种从代理签名演化而来的新的群签名方案,能够解决这一问题,并且本方案所采用的循环群的阶为一公开参数,群公钥长度固定。
The idea making use of producing matrix on the cycle group,this paper has discussed the property about R-grade cycle matrix and the question about R-grade cycle matrix diagonalization,brought to light the relations between one type diagonalization similar matrix and R-grade cycle matrix.
本文利用循环群上生成矩阵的方法,讨论n阶R循环矩阵的性质与对角化的问题,揭示一类可对角化相似矩阵与R循环矩阵的关系。
It is prove that groups of order p2 can be divided into two kinds in the isomorphism sense:(1) cycle group;(2)commutative group which can be written as a product of two cycle proper-subgroup of order p.
证明了在同构意义下p2阶群共有两类:一类是循环群,一类是可分解为两个p阶真循环子群乘积的可换群。
With respect to conjugacy,the cyclic subgroups of order 6 contained in GL(4,Z) are discussed.
从共轭的角度讨论了GL(4,Z)的 6阶循环子
In this paper,the author describes the results of the number of subgroups in a group of order n,raises the guess that the lower bound of the number of subgroup is T(n),discusses the number of cyclic subgroup and the number of maximal subgroup in a commutative group of order n,studies structure of some groups.
综述了n阶群的子群个数的一些结果,提出子群个数的下界是T(n)的猜想,讨论n阶交换群的循环子群的个数与极大子群的个数,研究了一些群的构造。
We denote by n(G) the number of subgroups of minimum coverings by subgroups of G,and denote by n_c(G) the number of subgroups of minimum coverings by cyclic subgroups of G,and denote by n_a(G) the number of subgroups of minimum coverings by Abelian subgroups of G,then(1)3≤n(G)≤|G|-1,(2)n_c(C_p×…×C_p)m个=pm-1+…+p+1,where m≥2,(3)n_c(C_pr×C_p)=r(p-1)+2,where r≥1,(4)n_a(C_pr×C_ps)=p+1,where r≥s≥1.
设p为素数,G是非循环有限群,群G的最小子群覆盖所包含的子群个数记为n(G),群G的最小循环子群覆盖所包含的子群个数记为nc(G),群G的最小Abel子群覆盖所包含的子群个数记为na(G),则3≤n(G)≤|G|-1,nc(Cp×…×Cp)m个=pm-1+…+p+1(m≥2),nc(Cpr×Cp)=r(p-1)+2(r≥1),na(Cpr×Cps)=p+1(r≥s≥1)。
Metacyclic Groups with a Cyclic Subgroup of Index 2
具有指数为2的循环子群的亚循环群
Construction of QC-LDPC Codes based on Cyclic Groups
基于循环群的准循环LDPC码构造
The Maximal Z-Order of the Integral Group Rings of Finite Cyclic Groups;
P~r阶循环群的整群环的极大Z-序
Some Necessary and Sufficient Conditions of Abelian Groups and Cyclic Groups
交换群和循环群的若干充分必要条件
THE PROPERTIES BETWEEN THE SUBGROUPS OF THE SAME CYCLIC GROUP;
循环群的子群之间关系的进一步探讨
Teaching Research on Cyclic Groups in Discrete Mathematics;
离散数学中循环群及其子群的教学研究
Patterns with cyclic or dihedral symmetry generated by means of dynamical systems
循环群、二面体群对称性图像的动力系统构图
A Sufficient Condition for a Finite Metacyclic Group to be Only ≡_2 Equivalent to Itself
有限亚循环群只与自身≡_2等价的一个充分条件
Constructions of (v,k,k-1)-DDFs in Z_v;
循环群Z_v上（v，k，k-1）-不相交差族的构造方法
On the Autmorphism Groups of Metacyclic p-group with a Cyclic Maximal Subgroup
具有循环极大子群的亚循环p-群的自同构群
Non-metacyclic p-groups All of Whose Maximal Subgroups are Minimal Non-abelian
极大子群都是极小非交换群的非亚循环p-群
The cycle sum of the rotation group of the octahedron was calculated.
正八面体的旋转群的循环和已算出。
Study on the Ecologicalization of Enterprise Cluster Based on Circular Economy;
基于循环经济的企业集群生态化研究
On Building Tourism Industrial Cluster: A New Perception of Circulation Economy;
运用循环经济理念打造旅游产业集群
The questions relating to the green s equivalence relation on bicyclic semigroup;
双循环半群上与Green关系相关的问题
Research on the Circular Economy Evaluation of Central Plain Cities;
面向中原城市群的循环经济评价研究
Constructing the City's Green Growth Pole with Circular Industrial Cluster
以循环产业集群构建城市绿色增长极
A discussion on the constitution of an Abel group by the collection of n step cyclic matrix
关于n阶循环矩阵成Abel群的讨论