Inversion of adjunction for quotient singularities

被引：2
|
作者：
Nakamura, Yusuke [1 ]
Shibata, Kohsuke [2 ]
机构：
[1] Univ Tokyo, Grad Sch Math Sci, Meguro Ku, 3-8-1 Komaba, Tokyo 1538914, Japan
[2] Nihon Univ, Coll Humanities & Sci, Dept Math, Setagaya Ku, 3-25-40 Sakurajosui, Tokyo 1568550, Japan
来源：
ALGEBRAIC GEOMETRY | 2022年 / 9卷 / 02期
关键词：
minimal log discrepancy; arc space; hyperquotient singularity; MINIMAL LOG DISCREPANCIES; MOTIVIC INTEGRATION; VARIETIES;
D O I：
10.14231/AG-2022-007
中图分类号：
O1 [数学];
学科分类号：
0701 ; 070101 ;
摘要：
We prove the precise inversion of the adjunction formula for quotient singularities and klt Cartier divisors. As an application, we prove the semi-continuity of minimal log discrepancies for klt hyperquotient singularities.
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页码：214 / 251
页数：38
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