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arXiv 1104.2662math.ACmath.AG
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光滑射影曲线极限Hilbert-Kunz重数的直接极限

A Direct Limit for Limit Hilbert-Kunz Multiplicity for Smooth Projective Curves

Holger Brenner, Jinjia Li, Claudia Miller

摘要:

本文关注的问题是,是否可以使用一个更直接的限制,以获得极限希尔伯特-昆兹多重数,一个可能的候选人的特征零希尔伯特-昆兹多重数。的主要目标是建立一个肯定的答案的主要情况下,其中的极限希尔伯特-昆兹多重性甚至已知存在,即分次理想的齐次坐标环光滑射影曲线。证明涉及更仔细的估计边界独立发现布伦纳和Trivedi的维度上的上同调扭曲的syzygy束的特征p去无穷大,并使用渐近结果Trivedi的斜坡上的Harder-Narasimham过滤的Frobenius拉回束。鉴于Gessel和Monsky的未发表的结果,对对角超曲面中的极大理想的情形也进行了深入的讨论。

英文摘要:

This paper concerns the question of whether a more direct limit can be used to obtain the limit Hilbert-Kunz multiplicity, a possible candidate for a characteristic zero Hilbert-Kunz multiplicity. The main goal is to establish an affirmative answer for one of the main cases for which the limit Hilbert-Kunz multiplicity is even known to exist, namely that of graded ideals in the homogeneous coordinate ring of smooth projective curves. The proof involves more careful estimates of bounds found independently by Brenner and Trivedi on the dimensions of the cohomologies of twists of the syzygy bundle as the characteristic p goes to infinity and uses asymptotic results of Trivedi on the slopes of Harder-Narasimham filtrations of Frobenius pullbacks of bundles. In view of unpublished results of Gessel and Monsky, the case of maximal ideals in diagonal hypersurfaces is also discussed in depth.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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