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arXiv 1504.00973math.RA
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关于多项式的分裂环

On the splitting ring of a polynomial

Fernando Szechtman

摘要:

设$f(Z)=Z^n-a_{1}Z^{n-1}+\cdots+(-1)^{n-1}a_{n-1}Z+(-1)^na_n$是一个系数在环$R$中的首一多项式,环具有单位元,不一定是交换的。研究了由$σ_i(X_1,\dots,X_n)-a_{i}$生成的$R[X_1,\dots,X_n]$的理想$I_f$,其中$σ_1,\dots,σ_n$是初等对称多项式,以及商环$R[X_1,\dots,X_n]/I_f$ .

英文摘要:

Let $f(Z)=Z^n-a_{1}Z^{n-1}+\cdots+(-1)^{n-1}a_{n-1}Z+(-1)^na_n$ be a monic polynomial with coefficients in a ring~$R$ with identity, not necessarily commutative. We study the ideal $I_f$ of $R[X_1,\dots,X_n]$ generated by $σ_i(X_1,\dots,X_n)-a_{i}$, where $σ_1,\dots,σ_n$ are the elementary symmetric polynomials, as well as the quotient ring $R[X_1,\dots,X_n]/I_f$.

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