Characterization of the Graded Betti Numbers for Almost Complete Intersections

被引：2

作者：

Ragusa, Alfio ^{[1
]}

Zappala, Giuseppe ^{[1
]}

机构：

[1] Univ Catania, Dip Matemat & Informat, I-95125 Catania, Italy

来源：

COMMUNICATIONS IN ALGEBRA | 2013年 / 41卷 / 02期

关键词：

Almost complete intersections; Betti numbers; Gorenstein rings; Pfaffians; 13D40; 13H10; THEOREMS; IDEALS;

D O I：

10.1080/00927872.2011.558150

中图分类号：

O1 [数学];

学科分类号：

0701 ; 070101 ;

摘要：

Using standard mapping cone procedure of the inclusion map of an ideal generated by a suitable regular sequence inside a Gorenstein ideal and by a deep analysis of possible cancellations, we give a numerical characterization of the graded Betti sequences admissible for almost complete intersections of height three.

引用

页码：492 / 506

页数：15

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