Enumerative Geometry, Algebra, and Combinatorics in String Theory
弦理论中的枚举几何、代数和组合学
基本信息
- 批准号:1802410
- 负责人:
- 金额:$ 18.5万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Continuing Grant
- 财政年份:2018
- 资助国家:美国
- 起止时间:2018-08-01 至 2022-09-30
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
This award supports research that aims to further build the bridge between abstract mathematics and theoretical physics (in particular string theory). This relationship follows naturally from the concept of supersymmetry, which postulates that at very small length scales there is an exact parity between bosonic and fermionic particles in nature. The resulting algebraic structure leads to new and deep relations between string theory and black hole entropy on one side, and abstract algebraic geometry and topology on the other. This unique interaction leads in turn to important advances and novel ideals in both disciplines. It also promotes a new way of thinking combining mathematical rigor with the physical insight and flexibility of string theory. The goal of this project is to make significant advances in the refined Donaldson-Thomas theory of orbifolds as well as develop a new approach to cohomological invariants of moduli spaces of sheaves on Calabi-Yau threefolds. The first direction aims to prove new combinatorial formulas for orbifold refined stable pairs invariants using localization and wall-crossing. This is an important component of at least two current major open problems, concerning the cohomology of tamely ramified character varieties, as well as an algebraic geometric construction of knot invariants. The second part of the project aims to develop a new approach to the cohomology of moduli spaces of two dimensional sheaves on Calabi-Yau threefolds using string duality. The main idea is to build a concrete relation between the cohomology of such moduli spaces sheaves and chiral algebras on Laumon spaces.This award reflects NSF's statutory mission and has been deemed worthy of support through evaluation using the Foundation's intellectual merit and broader impacts review criteria.
该奖项支持旨在进一步建立抽象数学和理论物理(特别是弦理论)之间的桥梁的研究。这种关系自然地从超对称性的概念中得出,超对称性假设在非常小的长度尺度上,自然界中玻色子和费米子粒子之间存在精确的宇称。由此产生的代数结构导致弦理论和黑洞熵之间的新的和深刻的关系,另一方面是抽象的代数几何和拓扑。这种独特的相互作用反过来导致这两个学科的重要进展和新的理想。它还促进了一种新的思维方式,将数学的严谨性与弦理论的物理洞察力和灵活性结合起来。该项目的目标是在改进的Donaldson-Thomas orbifolds理论方面取得重大进展,并开发一种新的方法来研究Calabi-Yau三重层上层模空间的上同调不变量。第一个方向的目的是证明新的组合公式orbifold细化稳定对不变量使用本地化和跨壁。这是一个重要组成部分,至少有两个目前主要的开放问题,关于上同调的tamely分歧字符品种,以及代数几何结构的结不变量。该项目的第二部分的目的是开发一种新的方法来使用弦对偶的卡-丘三重二维层的模空间的上同调。其主要思想是建立一个具体的关系之间的上同调的模空间层和手征代数上的Laumon spaces.This奖项反映了NSF的法定使命,并已被认为是值得支持,通过评估使用基金会的智力价值和更广泛的影响审查标准。
项目成果
期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
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Duiliu Diaconescu其他文献
Duiliu Diaconescu的其他文献
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{{ truncateString('Duiliu Diaconescu', 18)}}的其他基金
Algebraic Geometry and Moduli Spaces in String Theory
弦论中的代数几何和模空间
- 批准号:
1501612 - 财政年份:2015
- 资助金额:
$ 18.5万 - 项目类别:
Standard Grant
D-BRANE MODULI SPACES IN MATHEMATICS AND PHYSICS
数学和物理中的 D 膜模空间
- 批准号:
0854757 - 财政年份:2009
- 资助金额:
$ 18.5万 - 项目类别:
Continuing Grant
Geometry and Vacuum Structure in String Theory
弦理论中的几何和真空结构
- 批准号:
0555374 - 财政年份:2006
- 资助金额:
$ 18.5万 - 项目类别:
Continuing Grant
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