Subalgebras generated in degree two with minimal Hilbert function

IF 0.3 4区数学 Q4 MATHEMATICS

Mathematica Scandinavica Pub Date : 2019-11-25 DOI:10.7146/MATH.SCAND.A-122603

Lisa Nicklasson

引用次数: 1

Abstract

What can be said about the subalgebras of the polynomial ring, with minimal or maximal Hilbert function? This question was discussed in a recent paper by M. Boij and A. Conca. In this paper we study the subalgebras generated in degree two with minimal Hilbert function. The problem to determine the generators of these algebras transfers into a combinatorial problem on counting maximal north-east lattice paths inside a shifted Ferrers diagram. We conjecture that the subalgebras generated in degree two with minimal Hilbert function are generated by an initial Lex or RevLex segment.

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二阶最小希尔伯特函数生成的子代数

关于具有极小或极大希尔伯特函数的多项式环的子代数，可以说什么？M.Boij和a.Conca在最近的一篇论文中讨论了这个问题。在这篇论文中，我们研究了具有最小Hilbert函数的二阶生成的子代数。确定这些代数的生成元的问题转化为计算移位Ferrers图内最大东北格路径的组合问题。我们猜想具有最小希尔伯特函数的二阶生成的子代数是由初始Lex或RevLex段生成的。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Mathematica Scandinavica 数学-数学

CiteScore

0.60

自引率

0.00%

发文量

审稿时长

>12 weeks

期刊介绍： Mathematica Scandinavica is a peer-reviewed journal in mathematics that has been published regularly since 1953. Mathematica Scandinavica is run on a non-profit basis by the five mathematical societies in Scandinavia. It is the aim of the journal to publish high quality mathematical articles of moderate length. Mathematica Scandinavica publishes about 640 pages per year. For 2020, these will be published as one volume consisting of 3 issues (of 160, 240 and 240 pages, respectively), enabling a slight increase in article pages compared to previous years. The journal aims to publish the first issue by the end of March. Subsequent issues will follow at intervals of approximately 4 months. All back volumes are available in paper and online from 1953. There is free access to online articles more than five years old.