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arXiv math/0008011math.AGhep-th
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有理椭圆曲面上的谱对合

Spectral involutions on rational elliptic surfaces

Ron Donagi, Burt Ovrut, Tony Pantev, Dan Waldram

摘要:

本文描述了一类特殊的四维有理椭圆曲面族,该曲面允许对合具有孤立不动点。对于这个家庭中的每个表面,我们明确计算的行动的频谱版本的对合(即其傅立叶-向井共轭)的全球线丛和频谱数据。计算是在上同调和导出范畴的水平上进行的。我们发现,光谱对合的行为就像一个相当简单的仿射变换远离那些不相交的零截面的纤维组件的工会。这些结果是[DOPWa]中标准模型束构建的关键因素。

英文摘要:

In this paper we describe a four dimensional family of special rational elliptic surfaces admitting an involution with isolated fixed points. For each surface in this family we calculate explicitly the action of a spectral version of the involution (namely of its Fourier-Mukai conjugate) on global line bundles and on spectral data. The calculation is carried out both on the level of cohomology and in the derived category. We find that the spectral involution behaves like a fairly simple affine transformation away from the union of those fiber components which do not intersect the zero section. These results are the key ingredient in the construction of Standard-Model bundles in [DOPWa].

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