摘要翻译:
给出了超二次曲面的两个刻划:一个刻划是由大维二次子簇通过点扫出的非退化光滑射影簇;另一种是具有大割线缺陷的$LQEL$-流形。
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英文标题:
《Inductive characterizations of hyperquadrics》
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作者:
Baohua Fu (LMJL)
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最新提交年份:
2007
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分类信息:
一级分类:Mathematics 数学
二级分类:Algebraic Geometry 代数几何
分类描述:Algebraic varieties, stacks, sheaves, schemes, moduli spaces, complex geometry, quantum cohomology
代数簇,叠,束,格式,模空间,复几何,量子上同调
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英文摘要:
We give two characterizations of hyperquadrics: one as non-degenerate smooth projective varieties swept out by large dimensional quadric subvarieties passing through a point; the other as $LQEL$-manifolds with large secant defects.
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PDF链接:
https://arxiv.org/pdf/0705.2927


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