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arXiv 0908.1458math.AGmath.NT
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降低泰特时期的共鸣

Deresonating a Tate period

V. Golyshev

摘要:

我们介绍了一种技术来计算monodromy期间在某些家庭的代数簇的扰动(“deresonating”)的fiberwise贝蒂德拉姆比较关闭motivic设置。作为应用,我们求出了Grassmannian群G(2,N)的A周期,并确定了Mukai三重方程D ~ 3的A周期数和一定的$L$ -值.我们证明了$L$ -函数的参数是3的理性和2的非理性Mukai三倍。

英文摘要:

We introduce a technique to compute monodromy periods in certain families of algebraic varieties by perturbing (`deresonating') the fiberwise Betti to de Rham comparison off the motivic setting. As an application, we find Apery periods of Grassmannians G(2,N) and identify the Apery numbers for the equations D3 of the Mukai threefolds with certain $L$--values. We show that the argument of the $L$--function is 3 for the rational and 2 for the non--rational Mukai threefolds.

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