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arXiv 1812.03211math.FAmath.OA
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本质正规性--局部分解的统一方法

Essential Normality - a Unified Approach in Terms of Local Decompositions

Yi Wang

摘要:

本文定义了Bergman模的子模的渐近稳定可除性。在较弱的条件下,证明了具有渐近稳定可除性的子模是p-本质正规的.给出了一种新的方法来证明某些子模具有渐近稳定的可除性。这导致一个统一的证明,大多数已知的结果的本质正规性的子模以及新的结果。特别地,我们证明了一个理想定义了Bergman模的一个p-本质正规子模,对所有p>n,如果它的相关准素理想是其零轨迹在球面附近满足标准正则性条件的素理想的幂.

英文摘要:

In this paper, we define the asymptotic stable division property for submodules of the Bergman module. We show that under a mild condition, a submodule with the asymptotic stable division property is p-essentially normal for all p>n. A new technique is developed to show that certain submodules have the asymptotic stable division property. This leads to a unified proof of most known results on essential normality of submodules as well as new results. In particular, we show that an ideal defines a p-essentially normal submodule of the Bergman module, for all p>n, if its associated primary ideals are powers of prime ideals whose zero loci satisfy standard regularity conditions near the sphere.

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