Valuative multiplier ideals

Valuative multiplier ideals
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DOI:
10.2140/pjm.2014.270.95
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发表时间:
2014-06
期刊:
arXiv: Algebraic Geometry
影响因子:
--
通讯作者:
Zhengyu Hu
Zhengyu Hu
中科院分区:
其他
文献类型:
--
作者:
Zhengyu Hu

文献摘要

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本文的主要目标是从复分析和几何构造准多次谐波函数(简称qpsh)的代数模拟。我们在与一个相当通用的方案相关的评估空间上定义了 qpsh 函数的概念。然后我们定义了这些函数的乘子理想并证明了它们的一些基本结果,例如次可加性、近似定理。我们还处理复杂代数几何中的一些应用。
The main goal of this paper is to construct an algebraic analogue of quasi-plurisubharmonic function (qpsh for short) from complex analysis and geometry. We define a notion of qpsh function on a valuation space associated to a quite general scheme. We then define the multiplier ideals of these functions and prove some basic results about them, such as subadditivity property, the approximation theorem. We also treat some applications in complex algebraic geometry.