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Freiman ideals and the number of generators of powers of monomial ideals
Communications in Algebra ( IF 0.7 ) Pub Date : 2020-12-15 Ibrahim Al-Ayyoub, Mehrdad Nasernejad
中文翻译:
弗莱曼理想和单项理想的幂的生成器的数量
更新日期:2020-12-16
Communications in Algebra ( IF 0.7 ) Pub Date : 2020-12-15 Ibrahim Al-Ayyoub, Mehrdad Nasernejad
Abstract
Let denote the number of generators of a monomial ideal I. It is well known that for In this paper we construct monomial ideals I in such that for all given any positive integer l. Also, we extend some results of Eliahou et al. by constructing monomial ideals in with and investigate for monomial ideals in R. Furthermore, we generalize the definition of Freiman ideals given in Herzog and Zhu and extend some results with simpler proofs. In particular, we give a complete characterization of Freiman ideals of maximum height in R.
中文翻译:
弗莱曼理想和单项理想的幂的生成器的数量
摘要
让 表示单项式理想值I的生成器数。众所周知 对于 在本文中,我们建立单项的理想我在 这样 对全部 给定任何正整数l。此外,我们扩展了Eliahou等人的一些结果。通过建立单项式理想 与 并调查 R中的单项式理想。此外,我们对Herzog和Zhu中给出的Freiman理想的定义进行了概括,并用更简单的证明扩展了一些结果。特别是,我们给出了R中最大高度的弗赖曼理想的完整刻画。