论文标题
量子Lefshetz的微妙之处
Subtleties of Quantum Lefshetz without Convexity
论文作者
论文摘要
令$ y \ mathord {/\ mkern-6mu/}_θg$为git商中的完整交点$ x \ mathord {/\ mkern-6mu/}_θg$ g $ g $ -prespresentation $ e $。我们表明，如果在限制到$ y \ y \ ythord {/\ mkern-6mu/}_θg$之前，则$ e $ twist的quasimap $ i $ function rectunctun Recock Recock Recock Recock Recock of $（y，g，θ）$。这纠正了一个信誉为Coates-Corti-Iritani-Tseng的猜想。我们解释了如何基于错误的猜想来纠正文献中的计算。
Let $Y\mathord{/\mkern-6mu/}_θG$ be a complete intersection in a GIT quotient $X\mathord{/\mkern-6mu/}_θG$ cut out by a $G$-representation $E$. We show that the $E$-twisted quasimap $I$-function recovers invariants of $(Y, G, θ)$ if its nonequivariant limit exists before restriction to $Y\mathord{/\mkern-6mu/}_θG$. This corrects a conjecture credited to Coates-Corti-Iritani-Tseng. We explain how to correct computations in the literature based on the faulty conjecture.
