您要查找的是不是：
- Let D_(l+1)(R) be the orthogonal Lie algebra over a commutative ring R with 2 invertible and m_1 an l+ 1 upper triangular matrix. 设D_(l+1)(R)表示2为单位交换环R上的2(l+1)阶正交李代数。 若记m_1是R上的l+1阶三角矩阵，而是D_(l+1)(R)可解子代数。
- A commutative ring with unity having no proper divisors of zero, that is, where the product of nonzero elements cannot be zero. 整环，整域：一个单位元素都不是零的真约数，即，非零元素的乘积不为零的交换环
- Let R be a commutative ring without zero-divisor,R is called a quasi-valuation ring,if it contains a non-zero element a such that any non-zero element of R divides a power of a. 一个无零因子的交换环R称为拟赋值环,如果R中有一个非零元素a,使得R的任意非零元都整除a的某个方幂。
- See invertible matrix for more.More generally, a square matrix over a commutative ring R is invertible if and only if its determinant is invertible in R. 更一般地，一元素在一可交换环R内的方阵是可逆的若且唯若其行列式在R是可逆的。
- L_Z associated with finite-dimensional simpleLie algebras and affine Lie algebras of type k =1 over a commutative ring withidentity were defined by J. Hurley in 1969 and 1981 respectively, and theirideal structures were worked out there. Hurley在1969年与1981年分别对有限维复单李代数及k=1的仿射李代数L研究了相应的Chevalley代数L_R=RL_z的理想结构。
- Problems of "pushdown" and "pullback" on a commutative ring 交换环上的“下降”问题和“上升”问题
- To satisfy or engage in a commutative operation. 直接转换符合或从事交换操作
- Derivations and Automorphisms of a Matrix Algebra over a Commutative Ring 可换环上一类矩阵代数的导子和自同构
- The Derivation of One Type of Intermediate Matix Ring over a Commutative Ring 交换环上一类矩阵环的导子
- may be different morphisms, where R is a commutative ring and I an ideal. 尽管拓扑上一致，却是不同的映射；其中 R 是交换环而 I 是其理想。
- Compatibility of an ordering of higher level with a valuation pair for a commutative ring 交换环上高层序与赋值对的相容性
- A class of subgroups of the stabilizer of a direct sum component in the linear group over a commutative ring 交换环上线性群中直和因子定驻子群的一类子群
- Commute v. To travel as a commuter. 通勤,作为长期车票使用者旅行。
- I suggest that you buy a commuter pass. 我建议你买一张月票。
- She was given a commuted sentence. 她获减刑判决.
- a commutative ring 交换环
- matrix over a commutative ring 交换环上矩阵
- For 20 dollars you can pick up a commuter's pass here. 花20元就能在这里买一张月票。
- The fundamental theorem of arithmetic is an important and basic theorem of theory of number and plays an important role in modern commutative ring theory. 算术基本定理是初等数论中一条非常基本和重要的定理,它所体现的唯一因子分解的思想,在现代交换环理论中起着非常重要的作用。
- Successive Adaptations are merged in a commutative and associative way. 通过一种可交换的相关联的方式来合并连续的适配操作。
