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1) reduced ring 点击朗读

约化环

In this paper we claim that some special 4-by-4 upper triangular matrix ring over reduced ring R is an Armendariz ring.

证明了约化环R上的两类特殊上三角形矩阵环是Armendariz环和斜Armendariz环。

In this paper,we prove that:(1) If ring R is both reduced and Morphic,then R is left(right) hereditary;(2) A reduced ring R is Morphic ring if and only if every right R-module is flat;(3) A reduced ring R is Morphic ring if and only if every cyclic left R-module is GP-injective,if and only if R is left PP and GP-injective.

文章研究了M orphic环的一些性质,证明了:(1)约化的Morphic环是左(右)遗传的;(2)约化环R是Morphic环■M∈MR,M是平坦模;(3)约化环R是Morphic环■每个循环左R-模是GP-内射的R是左PP环和左GP-内射环。

In this paper, the authors consider semicommutative properties of some subrings of the n×nupper triangular matrix ring T_n(R)over a reduced ring, including A_n(R)(n=2k+1≥3),and A_n(R)+RE_ 1,k(n=2k≥4).

研究了约化环R上的n阶上三角矩阵子环An(R)(n=2k+1≥3),An(R)+RE1,k(n=2k≥4)的半交换性。

2) cyclic reduction 点击朗读

循环约化

3) Reduced near-ring 点击朗读

约化近环

4) lock cyclic reduction 点击朗读

块循环约化

When A is a M-matrix block tridiagonal systems,we apply incomplete block cyclic reduction to get a precondition,then get a solution with generalized PCG methods.

对Ｍ阵用块循环约化后，给出新的分裂方式，该分裂构造的选代收敛，其收敛速度比Ｊａｃｏｂｉ等一般迭代收敛快，且有很好的并行性。

5) cyclic reduction method 点击朗读

循环约化法

6) cycle reduction 点击朗读

循环约化<缩减>

补充资料：1,4-环己烷化二甲醇化二乙烯基醚

CAS: 17351-75-6
分子式: C12H20O2
中文名称: 1,4-环己烷化二甲醇化二乙烯基醚

英文名称: 1,4-cyclohexane dimethanol divinyl ether；1,4-bis((vinyloxy)methyl)cyclohexane；1,4-dimethanolcyclohexane divinyl ether；1,4-bis((ethenyloxy)methyl)-cyclohexan；1,4-bis[(ethenyloxy)methyl]-cyclohexan

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

环向约束环保约束约束闭环约束环境约瑟夫环

环境集约度变化指数不完全块循环约化约化环境约束环境制约

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	您的位置：首页 -> 词典 -> 约化环 1) reduced ring 约化环 1. In this paper we claim that some special 4-by-4 upper triangular matrix ring over reduced ring R is an Armendariz ring. 证明了约化环R上的两类特殊上三角形矩阵环是Armendariz环和斜Armendariz环。 2. In this paper,we prove that:(1) If ring R is both reduced and Morphic,then R is left(right) hereditary;(2) A reduced ring R is Morphic ring if and only if every right R-module is flat;(3) A reduced ring R is Morphic ring if and only if every cyclic left R-module is GP-injective,if and only if R is left PP and GP-injective. 文章研究了M orphic环的一些性质,证明了:(1)约化的Morphic环是左(右)遗传的;(2)约化环R是Morphic环■M∈MR,M是平坦模;(3)约化环R是Morphic环■每个循环左R-模是GP-内射的R是左PP环和左GP-内射环。 3. In this paper, the authors consider semicommutative properties of some subrings of the n×nupper triangular matrix ring T_n(R)over a reduced ring, including A_n(R)(n=2k+1≥3),and A_n(R)+RE_ 1,k(n=2k≥4). 研究了约化环R上的n阶上三角矩阵子环An(R)(n=2k+1≥3),An(R)+RE1,k(n=2k≥4)的半交换性。 2) cyclic reduction 循环约化 3) Reduced near-ring 约化近环 4) lock cyclic reduction 块循环约化 1. When A is a M-matrix block tridiagonal systems,we apply incomplete block cyclic reduction to get a precondition,then get a solution with generalized PCG methods. 对Ｍ阵用块循环约化后，给出新的分裂方式，该分裂构造的选代收敛，其收敛速度比Ｊａｃｏｂｉ等一般迭代收敛快，且有很好的并行性。 5) cyclic reduction method 循环约化法 6) cycle reduction 循环约化<缩减> 补充资料：1,4-环己烷化二甲醇化二乙烯基醚 CAS: 17351-75-6 分子式: C12H20O2 中文名称: 1,4-环己烷化二甲醇化二乙烯基醚英文名称: 1,4-cyclohexane dimethanol divinyl ether；1,4-bis((vinyloxy)methyl)cyclohexane；1,4-dimethanolcyclohexane divinyl ether；1,4-bis((ethenyloxy)methyl)-cyclohexan；1,4-bis[(ethenyloxy)methyl]-cyclohexan 说明：补充资料仅用于学习参考，请勿用于其它任何用途。参考词条环向约束环保约束约束闭环约束环境约瑟夫环

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