On special quadratic birational transformations whose base locus has dimension at most three

被引：5

作者：

Stagliano, Giovanni ^{[1
]}

机构：

[1] Univ Catania, I-95124 Catania, Italy

来源：

RENDICONTI LINCEI-MATEMATICA E APPLICAZIONI | 2013年 / 24卷 / 03期

关键词：

Birational transformation; quadratic form; base locus; EMBEDDED PROJECTIVE VARIETIES; CREMONA TRANSFORMATIONS; HILBERT SCHEME; GREATER-THAN; MANIFOLDS; SYSTEMS;

D O I：

10.4171/RLM/659

中图分类号：

O29 [应用数学];

学科分类号：

070104 ;

摘要：

We study birational transformations phi : P-n -> <(phi(P-n))over bar> subset of P-N defined by linear systems of quadrics whose base locus is smooth and irreducible of dimension <= 3 and whose image <(phi(P-n))over bar> is sufficiently regular.

引用

页码：409 / 436

页数：28