Decomposition of Log Crepant Birational Morphisms between Log Terminal Surfaces

被引：0

作者：

Shigetaka Fukuda

机构：

[1] Gifu Shotoku Gakuen University,Faculty of Education

[2] Yanaizu-cho,undefined

来源：

Geometriae Dedicata | 2001年 / 84卷

关键词：

log crepant morphism; log minimal surface;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

We prove that every log crepant birational morphism between log terminal surfaces can be decomposed into log flopping type divisorial contraction morphisms and log blowdowns. Repeating these two kinds of contractions we reach a minimal log minimal surface from any log minimal surface.

引用

页码：229 / 234

页数：5

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