Moreover we generize a result of howie [ 12 ] to a commutative regular semiring 并且把howie [ 12 ]的一个结果推广到?个交换正则半环s上。
On the commutative complementarity of min - tai economy and the possibility of economy intercommunion 论闽台经济的互补性与经济互动的可能性
It is implied by the associative and commutative transformations permitted in relational algebra 它由关系代数中允许的关联转换和交换转换表示。
Simple ideal extension of a group of prime order by a finite commutative nilpotent semigroup on a tree 素数阶群按树上有限交换幂零半群的单纯理想扩张
In the end , we study bare and pp rings of generalized power series on commutative and noncommutative rings 第四章分交换和非交换两种情况考虑了广义幂级数环上的bare性和pp性，主要是把[ 26 ，定理2
Let k be an algebraically closed field and a be a commutative associative algebra with an identity element 1 设a是代数闭域k上具有单位元1的交换结合代数， d是由a的可交换的k -导子所张成的k -线性空间。
In addition , a software interface is designed for the computing program so that the modeling becomes visual and commutative 此外，还编制了计算程序的软件界面，使建模成为可视化和交互式的工作，提高了效率。
The aim of this paper is to given an explicit description of the derivations and automor phisms of a matrix algebra over a commutative ring with identity 摘要决定了含幺可换环上一类矩阵代数的所有导子和所有自同构。
When you combine these operations , the results are not commutative - the order in which you multiply matrices is important 当你在组合这些操作的时候，矩阵的运算顺序是不可交换的，不同相乘顺序会导致不同的变换效果，这点很重要。
Basic types of river basin improvement were analyzed , and it was demonstrated on commutative relations among river basin improvement investment subjects 分析了流域治理的基本类型，并论证了流域治理投资主体相互之间的互动关系。
