1) subdirect product
亚直积
1.
In this paper itshows you that T (x)=(T (x)i…T (x )i… )=(ε1x1, e2x2, …ε1x1…)for each x ∈G (where T (x )i = + ε1,xi = ±xi) by every such group can be written as a subdirect product of totally ordered groups Ga, a ∈ A.
在这篇文章中,利用交换格序群可表为全序群的亚直积这特点。
2.
This paper introduces the concepts of star semiring,star homomorphisms of semirings,the subdirect product of a family of star semirings and subdirectly irreducible star semiring,and then proves the subdirect decomposition theorem of star semirings.
引入了星半环、半环的星同态、星半环的亚直积和亚直既约等概念,证明了星半环的亚直分解定理。
3.
The concepts of the subdirect product and subdirectly irreducible of a family of semirings are introduced.
引入了半环的亚直积和亚直既约等概念,证明了半环的亚直分解定理。
2) kronecker product
直积
1.
DBL access codes are generated from the left or right kronecker product of the LS codes and the extending matrix,and are called DBL left-product codes and DBL right-product codes,respectively.
DBL码由基本LS码与矩阵左、右直积生成,分别称为DBL左乘码和DBL右乘码,两类DBL码各有特点。
2.
The concept of Kronecker product is introduced into graph theory in this paper.
将矩阵直积的概念引入图论,证明了直积图的结点数、度及特征值分别等于原图结点数之积、度之积和特征值之积,并将这些性质应用于由两个膨胀图构造一个新的膨胀图,分别从矩阵的角度和图的角度给出了构造算法。
3.
Several diagonall dominant properties and ∞-norm inequalities for Kronecker product of diagonally dominant matrices are given.
给出了对角占优矩阵直积的一些对角占优性质以及∞-范数估计式。
3) direct product
直积
1.
Isomorphic representations of cyclic groups and their direct product;
循环群与循环群直积的同构表示
4) direct integral;integral direct sum
积分直和;直积分
5) Rectiembryo
直胚亚属
6) subdirectly irreducible
亚直既约
1.
This paper introduces the concepts of star semiring,star homomorphisms of semirings,the subdirect product of a family of star semirings and subdirectly irreducible star semiring,and then proves the subdirect decomposition theorem of star semirings.
引入了星半环、半环的星同态、星半环的亚直积和亚直既约等概念,证明了星半环的亚直分解定理。
2.
The concepts of the subdirect product and subdirectly irreducible of a family of semirings are introduced.
引入了半环的亚直积和亚直既约等概念,证明了半环的亚直分解定理。
补充资料:半直积
半直积
semi-direct product
【补注】A乘以B的半直积通常记作B冈A或B:A.石生明译王杰校半直积[胭顽一面eCt pr仪IuCt;no几ynp“Moe npo“3哪e-““e],群A乘以群B的 群G=AB,是它的子群A及B的积,其中B是G的正规子群且A门B二{1}.若A也在G中正规,则半直积成为直积(direct Pr以luCt).两个群AB的半直积不是唯一决定的.为构造半直积还应知道A的元素在B上的共扼作用诱导出B的哪些自同构.精确地说,设G二AB是半直积,则对每个元素“任A,对应到自同构:。〔AutB,它是由元素a作共扼: :。(b)=aba一’,b任B.这里,对应a~:。是A~AutB的同态.反之,设A及B是任意群,则对任何同态p:A~AutB有群A乘以群B的唯一半直积,满足:。“印(a),对任意a‘A.半直积是群B被群A所扩张的特殊情况(见群的扩张(e刀比nsion of agro印));这样的扩张称为分裂的(sPlit).
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条