On the index of contact and multiplicities for bigraded rings

被引：0

作者：

Rams, S ^{[1
]}

机构：

[1] Jagiellonian Univ, Inst Math, PL-30059 Krakow, Poland

来源：

MANUSCRIPTA MATHEMATICA | 2001年 / 106卷 / 03期

关键词：

D O I：

10.1007/s002290100213

中图分类号：

O1 [数学];

学科分类号：

0701 ; 070101 ;

摘要：

We prove that the index of contact p (Z, S) (c) of a set Z with a submanifold S at a point c is an element of reg(Z boolean AND S) at which Z is normal pseudo-flat along Z boolean AND S coincides with the Samuel multiplicity of the associated graded ring and give various methods of computing this invariant at such points.

引用

页码：339 / 347

页数：9

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