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Betti numbers of the conormal module of licci rings
Collectanea Mathematica ( IF 1.1 ) Pub Date : 2021-06-18 , DOI: 10.1007/s13348-021-00320-x
Mark R. Johnson , Paolo Mantero

We establish lower bounds for the Betti numbers of the conormal module for licci ideals in a regular local ring. In particular, for a licci Gorenstein ideal I, the i-th Betti number of I/I\(I/I^{2}\) is at least \(5f_{2i-1}\), for \(i\ge 1\), where \(f_{n}\) is the n-th Fibonacci number.



中文翻译:

licci 环共标准模的 Betti 数

我们为常规局部环中 licci 理想的 conormal 模的 Betti 数建立下界。特别地,对于 licci Gorenstein 理想II / I \(I/I^{2}\) 的i个贝蒂数至少是\(5f_{2i-1}\),对于\(i\ ge 1\),其中\(f_{n}\)是第n个斐波那契数。

更新日期:2021-06-18
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