Extremal behavior in sectional matrices

Extremal behavior in sectional matrices
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截面矩阵中的极值行为

DOI:
10.1142/s0219498819500415
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发表时间:
2017
影响因子:
0.8
通讯作者:
Michele Torielli
Michele Torielli
中科院分区:
数学3区
文献类型:
--
作者:
Anna Maria Bigatti;Elisa Palezzato;Michele Torielli

文献摘要

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本文回顾了对齐次理想的连续超平面截面的希尔伯特函数进行编码的目标截面矩阵。我们用这种语言翻译和/或纠正最近的结果。此外,还给出了它们的最大增长的一些新结果,特别是对Gotzmann持续定理的一个新推广,理想截断的GCD的存在,以及在饱和理想中的应用。
In this paper, we recall the object sectional matrix which encodes the Hilbert functions of successive hyperplane sections of a homogeneous ideal. We translate and/or reprove recent results in this language. Moreover, some new results are shown about their maximal growth, in particular, a new generalization of Gotzmann’s Persistence Theorem, the presence of a GCD for a truncation of the ideal, and applications to saturated ideals.