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arXiv 1202.0870math.AG
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椭圆曲线的Zeta函数I.计数捆绑包

Zeta Functions for Elliptic Curves I. Counting Bundles

Lin Weng

摘要:

为了计数曲线上的丛,我们研究了椭圆曲线的zeta和它们的零点。有两种类型,即,使用半稳定丛的模空间定义的纯非阿贝尔Zetas,以及为特殊线性群定义的群Zetas。在较低的等级,我们表明,这两种类型的齐塔人一致,并满足黎曼假设。在一般情况下,暴露的是椭圆曲线上半稳定丛的自同构群上的一个内在关系,即所谓的计数奇迹。所有这一切,加上Harder-Narasimhan,Desale-Ramanan和Zagier的结果,给出了一个有效的方法来计数椭圆曲线上的半稳定丛,不仅用自同构群,而且更重要的是用它们的$h^0$的.高秩zeta的零点的分布也进行了讨论。

英文摘要:

To count bundles on curves, we study zetas of elliptic curves and their zeros. There are two types, i.e., the pure non-abelian zetas defined using moduli spaces of semi-stable bundles, and the group zetas defined for special linear groups. In lower ranks, we show that these two types of zetas coincide and satisfy the Riemann Hypothesis. For general cases, exposed is an intrinsic relation on automorphism groups of semi-stable bundles over elliptic curves, the so-called counting miracle. All this, together with Harder-Narasimhan, Desale-Ramanan and Zagier's result, gives an effective way to count semi-stable bundles on elliptic curves not only in terms of automorphism groups but more essentially in terms of their $h^0$'s. Distributions of zeros of high rank zetas are also discussed.

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