Resurgence numbers of fiber products of projective schemes

被引：5
|
作者：
Bisui, Sankhaneel [1 ]
Huy Tai Ha [1 ]
Jayanthan, A., V [2 ]
Thomas, Abu Chackalamannil [1 ]
机构：
[1] Tulane Univ, Dept Math, 6823 St Charles Ave, New Orleans, LA 70118 USA
[2] Indian Inst Technol Madras, Dept Math, Chennai 600036, Tamil Nadu, India
来源：
COLLECTANEA MATHEMATICA | 2021年 / 72卷 / 03期
关键词：
Resurgence number; Asymptotic resurgence; Points; Symbolic powers; Containments between powers; ORDINARY POWERS; SYMBOLIC POWERS; CONTAINMENT; IDEALS; POINTS; COUNTEREXAMPLES; CONFIGURATIONS;
D O I：
10.1007/s13348-020-00302-5
中图分类号：
O29 [应用数学];
学科分类号：
070104 ;
摘要：
We investigate the resurgence and asymptotic resurgence numbers of fiber products of projective schemes. Particularly, we show that while the asymptotic resurgence number of the k-fold fiber product of a projective scheme remains unchanged, its resurgence number could strictly increase.
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页码：605 / 614
页数：10
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