1) weak projection
弱投射
1.
Radford described completely the structure of finite dimen-sional simpie pointed Hop f algebras A(q, a) n) m) and in [i] Peter Schauenburgintroduced weak projection Of bia1gebras.
Radford在[3]中详细讨论了有限维单点Hopf代数A（q，α，n，m）的结构，Peter Schauenburg在[2]中引入了弱投射的概念。
2) weakly projective modules
弱投射模
1.
It has introduced that quasi-principally projective modules,and get some new characterizations of weakly projective modules.
引进了拟主投射模的概念,给出了它们相关性质,由此对弱投射模进行了新的刻画。
3) τ-weak projective module
τ-弱投射模
1.
In the paper,we prove Schanuel s lemma of relatively herediary torsion theory by τ-weak projective module and prove the dual of Schanuel s lemma by τ-injective module.
本文利用τ-弱投射模证明了相对于遗传挠理论的Schanuel’s引理成立;同时利用τ-内射模证明了Schanuel’s引理的对偶定理相对于遗传挠理论亦成立。
2.
In the paper, we describe when τ-weak projective modules are closed under taking homomorphic images, which is dual to τ-injective module; we also describe a distinguish theorem on τ-weak projective cover.
本文给出了与τ-内射模对偶的一类模,称为τ-弱投射模,关于商模封闭的条件;同时描述了τ-投射盖的概念,给出了关于τ-弱投射盖的一个判别定理。
4) weakly n-eip-projective
弱n满投射
5) weakly power-epi-projective
弱幂满投射
6) Weakly direct projective module
弱直投射模
补充资料：弱弱联合
弱弱联合是指两个总体实力都不强但都拥有自己独特的某方面优势的企业之间进行联合，以形成较强的实力。弱弱联合，弱企业之间优势互补，可以形成整体实力变强的效应。
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