On uniruled degenerations of algebraic varieties with trivial canonical divisor

被引：0
|
作者：
Shigeharu Takayama
机构：
[1] University of Tokyo,Graduate School of Mathematical Sciences
来源：
Mathematische Zeitschrift | 2008年 / 259卷
关键词：
Primary 14D06; Secondary 14J32; 14J26; Degeneration; Trivial canonical divisor; Uniruled;
D O I：
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中图分类号：
学科分类号：
摘要：
We give a uniruledness criterion on degenerate fibers in a family of varieties whose general fiber has a numerically trivial canonical divisor. The criterion is related with the so-called non-nef locus of the canonical divisor of the total space.
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页码：487 / 501
页数：14
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