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北美退伍军人节(Veterans Day),12 日无更新
arXiv 2102.04155math.AC
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分次$ϕ$ -素子模

On Graded $ϕ$-Prime Submodules

Azzh Saad Alshehry, Malik Bataineh, Rashid Abu-Dawwas

摘要:

设$R$是一个分次交换环,$1$是非零单位环,$M$是一个分次酉$R$ -模。设$GS(M)$是$M$的所有分级$R$ -子模的集合,$ϕ: GS(M)\rightarrow GS(M)\bigcup\{\emptyset\}$是一个函数. $M$的一个真分次$R$ -子模$K$称为$M$的一个分次$ϕ-$素数$R$ -子模,如果只要$r$是$R$的一个齐次元素,且$m$是$M$的一个齐次元素,使得$rm\in K-ϕ(K)$,则要么是$m\in K$,要么是$r\in (K:_{R}M)$。如果对所有$K\in GS(M)$都有$ϕ(K)=\emptyset$,则分次$ϕ-$素子模恰是分次素子模.若$ϕ(K)=\{0\}$对所有$K\in GS(M)$,则分次$ϕ-$素子模恰是分次弱素子模.研究了分次$ϕ-$素子模的若干性质.

英文摘要:

Let $R$ be a graded commutative ring with non-zero unity $1$ and $M$ be a graded unitary $R$-module. Let $GS(M)$ be the set of all graded $R$-submodules of $M$ and $ϕ: GS(M)\rightarrow GS(M)\bigcup\{\emptyset\}$ be a function. A proper graded $R$-submodule $K$ of $M$ is said to be a graded $ϕ-$prime $R$-submodule of $M$ if whenever $r$ is a homogeneous element of $R$ and $m$ is a homogeneous element of $M$ such that $rm\in K-ϕ(K)$, then either $m\in K$ or $r\in (K:_{R}M)$. If $ϕ(K)=\emptyset$ for all $K\in GS(M)$, then a graded $ϕ-$prime submodule is exactly a graded prime submodule. If $ϕ(K)=\{0\}$ for all $K\in GS(M)$, then a graded $ϕ-$prime submodule is exactly a graded weakly prime submodule. Several properties of graded $ϕ-$prime submodules have been investigated.

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