Spaces of conics on low degree complete intersections

Spaces of conics on low degree complete intersections
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低度完全交点上的二次曲线空间

DOI:
10.1090/tran/7107
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发表时间:
2013
期刊:
arXiv: Algebraic Geometry
影响因子:
--
通讯作者:
Xuanyu Pan
Xuanyu Pan
中科院分区:
--
文献类型:
--
作者:
Xuanyu Pan

文献摘要

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相似文献

设X是一个光滑的完全交。设p和q是X的一般点,我们考虑X中通过p和q的二次曲线。我们证明了这些二次曲线的模空间是光滑的完全交。主要成分的证明是一个标准的特点时,一个光滑的投射品种是一个完整的交叉,格罗滕迪克-黎曼-罗克定理和几何空间的二次曲线。
Let X be a smooth complete intersection. Suppose p and q are general points of X, we consider conics in X passing through p and q. We show the moduli space of these conics is a smooth complete intersection. The main ingredients of the proof are a criterion for characterizing when a smooth projective variety is a complete intersection, the Grothendieck-Riemann-Roch theorem and the geometry of the spaces of conics.