关于具有Frobenius作用的Artinian模的Hartshorne-Speiser-Lyubeznik定理
On the Hartshorne--Speiser--Lyubeznik Theorem about Artinian modules with a Frobenius action
摘要:
设$R$是素特征的交换Noether局部环.本文的目的是给出G. Lyubeznik推广了R. Hartshorne和R. Speiser关于斜多项式环$R[x,f]$上的模(与不定$x$中的$R$和Frobenius同态$f$相关联)是$x$ -挠模和$R$上的Artin模.
英文摘要:
Let $R$ be a commutative Noetherian local ring of prime characteristic. The purpose of this paper is to provide a short proof of G. Lyubeznik's extension of a result of R. Hartshorne and R. Speiser about a module over the skew polynomial ring $R[x,f]$ (associated to $R$ and the Frobenius homomorphism $f$, in the indeterminate $x$) that is both $x$-torsion and Artinian over $R$.
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