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arXiv 1909.03067math.AG
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基于曲面Deligne-Mumford叠加和S-对偶的Vafa-Witten不变量

The Vafa-Witten invariants via surface Deligne-Mumford stacks and S-duality

Yunfeng Jiang

摘要:

受Vafa-Witten的S-对偶猜想的启发,Tanaka-Thomas利用Higgs层的模空间建立了射影曲面的Vafa-Witten不变量理论。它们的定义和计算在规范群$SU(r)$侧证明了Vafa-Witten的S-对偶预言。在ICCM-2019的这篇综述论文中,我们回顾了Vafa-Witten在物理学中的S-对偶猜想以及光滑射影曲面和曲面Deligne-Mumford堆栈的Vafa-Witten不变量的定义。我们预言Deligne-Mumford曲面的Vafa-Witten不变量可以给出Langlands对偶群$^{L}SU(r)=SU(r)/\zz_r$的生成级数.我们对射影平面$\pp^2$进行了检验.

英文摘要:

Motivated by the S-duality conjecture of Vafa-Witten, Tanaka-Thomas have developed a theory of Vafa-Witten invariants for projective surfaces using the moduli space of Higgs sheaves. Their definition and calculation prove the S-duality prediction of Vafa-Witten in many cases in the side of gauge group $SU(r)$. In this survey paper for ICCM-2019 we review the S-duality conjecture in physics by Vafa-Witten and the definition of Vafa-Witten invariants for smooth projective surfaces and surface Deligne-Mumford stacks. We make a prediction that the Vafa-Witten invariants for Deligne-Mumford surfaces may give the generating series for the Langlands dual group $^{L}SU(r)=SU(r)/\zz_r$. We survey a check for the projective plane $\pp^2$.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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