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Positivity in Complex Geometry

Positivity in Complex Geometry
复杂几何中的积极性
批准号:
1611745
负责人:
Damin Wu
金额:
$22.34万
依托单位:
依托单位国家:
美国
项目类别:
Continuing Grant
财政年份:
2016
资助国家:
美国
项目状态:
已结题
起止时间:
2016-09-01 至 2022-08-31

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中文摘要
翻译
本项目研究复几何中正性表征的基本问题。复数几何是几何的一个分支,涉及在复数字段上定义的对象。正性意味着存在大量称为全纯截面的全局对象,它们在几何中起着核心作用。该研究将发展和引进不同领域的技术,包括微分几何,代数几何和非线性偏微分方程。一些答案将揭示复杂的几何结构和代数结构之间的深层联系。该建议也将产生适当的研究问题,为研究生和初级researchers.Positivity的正则丛在复杂的几何引起复杂的几何,非线性偏微分方程和代数几何之间的有趣的连接。PI将进行三个研究项目,以更好地理解正则丛的正性,从微分几何方法使用全纯曲率,Kahler-Einstein度量和复杂的Monge-Ampere方程。一类完全非线性方程推广复杂的蒙赫-安培方程也将被调查。第一个项目将通过全纯曲率、双曲性和Bergman度量来研究标准丛的正性。第二个项目将研究正对数正则丛上正则度量的渐近展开。第三个项目旨在建立一些完全非线性方程的Liouville型定理。
英文摘要
This project studies fundamental problems on the characterization of positivity in complex geometry. Complex geometry is a branch of geometry that concerns objects defined over the complex number field. The positivity implies the existence of plenty of global objects called holomorphic sections, which play a central role in geometry. The research will develop and bring in techniques from different fields including differential geometry, algebraic geometry, and nonlinear partial differential equations. Some of the answers will shed light on the deep connection between the complex geometric structure and algebraic structure. The proposal will also generate appropriate research problems for graduate students and junior researchers.Positivity of canonical bundles in complex geometry gives rise to intriguing connections between complex geometry, nonlinear partial differential equations, and algebraic geometry. The PI will undertake three research projects to better understand the positivity of canonical bundles from a differential geometric approach using holomorphic curvature, Kahler-Einstein metrics, and the complex Monge-Ampere equation. A class of fully nonlinear equations generalizing the complex Monge-Ampere equation will be also investigated. The first project will study the positivity of canonical bundles by holomorphic curvature, hyperbolicity, and the Bergman metric. The second project will investigate the asymptotic expansion of the canonical metric on the positive logarithmic canonical bundle. The third project seeks to establish a Liouville-type theorem for some fully-nonlinear equations.
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Invariant Metrics on Complex Manifolds
  • 批准号:
    2103608
  • 项目类别:
    Standard Grant
  • 资助金额:
    $34.8万
  • 财政年份:
    2021
  • 负责人:
    Damin Wu
  • 依托单位:
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  • 项目类别:
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  • 资助金额:
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  • 批准年份:
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  • 负责人:
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