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A quantum Leray–Hirsch theorem for banded gerbes
Journal of Differential Geometry ( IF 1.3 ) Pub Date : 2021-11-01 , DOI: 10.4310/jdg/1635368578
Xiang Tang 1 , Hsian-Hua Tseng 2
Affiliation  

For a gerbe $\Y$ over a smooth proper Deligne-Mumford stack $\B$ banded by a finite group $G$, we prove a structure result on the Gromov-Witten theory of $\Y$, expressing Gromov-Witten invariants of $\Y$ in terms of Gromov-Witten invariants of $\B$ twisted by various flat $U(1)$-gerbes on $\B$. This is interpreted as a Leray-Hirsch type of result for Gromov-Witten theory of gerbes.

中文翻译:

带状热贝的量子 Leray-Hirsch 定理

对于由有限群 $G$ 带状的光滑适当 Deligne-Mumford 堆栈 $\B$ 上的 Gerbe $\Y$,我们证明了 $\Y$ 的 Gromov-Witten 理论的结构结果,表示 Gromov-Witten 不变量根据 $\B$ 的 Gromov-Witten 不变量,$\Y$ 的值被 $\B$ 上的各种平面 $U(1)$-gerbes 扭曲。这被解释为 Gerbes 的 Gromov-Witten 理论的 Leray-Hirsch 类型的结果。
更新日期:2021-11-01
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