| 1. | Modules with invariant factors over commutative rings
变换环上具有不变因子的模 |
| 2. | On idempotent and nilpotent matrices over commutative rings
关于交换环上的幂等阵与幂零阵 |
| 3. | Representations of linear recurring arrays over commutative rings
交换环上线性递归阵列的代数表示 |
| 4. | Maximal nilpotent subgroups of linear groups over finite commutative rings
有限交换环上线性群的极大幂零子群 |
| 5. | Category of commutative rings
交换环的范畴 |
| 6. | 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。 |
| 7. | Theorem 1 . 2 . 9 s is a direct product of a normal a - idempotent semiring and a commutative ring with an identity 1 , if and only if s is a strong right normal idempotent semiring of a - left rings
Gs是正规人一幂等半环和含么交换环的直积，当且仅当s是a一左环的强右正规幂等半环 |
