Noetherian intersections of regular local rings of dimension two

被引:3
作者
Heinzer, William [1 ]
Olberding, Bruce [2 ]
机构
[1] Purdue Univ, Dept Math, W Lafayette, IN 47907 USA
[2] New Mexico State Univ, Dept Math Sci, Las Cruces, NM 88003 USA
关键词
Regular local ring; Quadratic transform; Quadratic tree; Noetherian ring; Complete ideal; Projective model; OVERRINGS; IDEALS;
D O I
10.1016/j.jalgebra.2020.14.018
中图分类号
O1 [数学];
学科分类号
0701 ; 070101 ;
摘要
Let D be a 2-dimensional regular local ring and let Q(D) denote the quadratic tree of 2-dimensional regular local overrings of D. We describe the desingularization of projective models over D both algebraically in terms of the saturation of complete ideals and order-theoretically in terms of the quadratic tree Q(D). We prove that this describes all the Noetherian rings that are intersections of rings in Q(D). (C) 2020 Elsevier Inc. All rights reserved.
引用
收藏
页码:320 / 345
页数:26
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