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- The critical group of a connected graph is a finite abelian group whose structure is a subtle isomorphism invariant of the graph. 图的临界群是图生成树数目的一个加细.;它是定义在图上的一个有限交换群;其群结构是图的一个精细不变量;与图的Laplacian理论密切相关
- The concept of purifier of subgroup of Abelian group and some conclusions related to it are given in this paper. 本文给出了Abel群之子群的纯化子概念及之相关的几个结论。
- This paper deals with some properties of total sub-semigroups of Abelian groups. 研究可换群的完整子半群的性质,并进一步讨论其扩张问题,得出若干结论。
- The same is true for the category of abelian groups as well as for the category of left modules over a fixed ring.This is the origin of the term "zero object". - 范畴Grp(以群为对象,群同态为映射):只包含一个单位元素的单元素群即是始对象,又是终对象,故为Grp的零对象。
- We observed that the category of p _semisimple BCI _algebras is a very nice category which is regular, normal, balanced, complete, abelian and equivalent to the category A b of abelian groups. 作为范畴,此代数具有正则、正规、平衡、完备、可交换等性质,且等价于交换群范畴,因而是一个比较好的范畴
- SOME RESULTS OF ABELIAN GROUP AND GENERALIZED ASSOC1ATIVE BCI-ALGEBRA 关于Abel群与广义结合BCI-代数的一些结果
- ON THE NORMALITY OF DIRECTED CAYLEY GRAPHS OF ABELIAN GROUPS 关于交换群上的Cayley有向图的正规性
- On Hamiltonian Decomposition of Cayley Graphs of Abelian Groups 关于Abel群上Cayley图的Hamilton圈分解
- Some Results of Total Subsemi-groups of Abelian Groups 阿贝尔群的完整子半群的若干结果
- Exact Sequences and Homomorphism Theorems on Sheaf of Abelian Groups 交换群层的正合序列与同态定理
- The invariance of physical laws enters in two ways. 物理定律的不变性以两种方式体现.
- 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
- We prove that if G is also an abelian group, then the group is amenable. 当 G是交换群时 ,给出一种证明其顺从的方法
- ThePurpose of this note is to get a characteristic of finite Abelian group. 文章研究了具有某种性质的自同构的有限群,得出了这种群为Abelian群的一个充要条件。
- Some conditions were discussed , under which a group become an abelian group . 讨论在什么条件下 ;一个群可以成为交换群 .;首先讨论一般的群;然后讨论有限群
- The ellipse rotating symmetric group is proposed,which is an Abelian group. 提出椭圆旋转对称群,它是一个单参数阿贝尔群。
- The first invariant of strain is independent of the coordinate system being used. 第一应变不变量与所用的坐标系无关。
- By an analytic method, in this essay a vector invariant of a casual point to a tetrahedron on volume and deductions form vector invariant are given. 摘要利用解析法,给出空间任意一点与四面体体积有关的一个向量恒等式,并给出若干推论。
- Abstract: Some problems of quantum mechanics can be solved easily by means of the invariant of differential equation. 文摘:利用常微分方程的不变式,非常方便地求解了一些量子力学问题.
- In this paper we study Toeplitz operator and Toeplitz algebra on discrete abelian group. 研究了离散交换群上的Toeplitz算子和Toeplitz代数 .