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arXiv 1101.4512math.AGmath.SG
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量子上同调与周期

Quantum Cohomology and Periods

Hiroshi Iritani

摘要:

在以前的论文中,作者介绍了一个Z-结构的量子上同调定义的K-理论和伽玛类,并表明它是兼容的镜像对称的环面orbifolds。将量子Lefschetz原理应用于已有的结果,我们发现复曲面完全相交的量子微分方程的解与其镜像的周期(或振荡积分)之间存在显式的关系.我们详细描述了镜像对的Calabi-Yau超曲面(Batyrev的镜像)的Z-霍奇结构的变化的镜像同构。

英文摘要:

In a previous paper, the author introduced a Z-structure in quantum cohomology defined by the K-theory and the Gamma class and showed that it is compatible with mirror symmetry for toric orbifolds. Applying the quantum Lefschetz principle to the previous results, we find an explicit relationship between solutions to the quantum differential equation for toric complete intersections and the periods (or oscillatory integrals) of their mirrors. We describe in detail the mirror isomorphism of variations of Z-Hodge structure for a mirror pair of Calabi-Yau hypersurfaces (Batyrev's mirror).

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