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arXiv 1802.09645math.NT
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辛格空间中Siegel变换的二阶矩

The second moment of the Siegel transform in the space of symplectic lattices

Dubi Kelmer, Shucheng Yu

摘要:

利用Eisenstein级数谱理论的结果,我们证明了Siegel变换在辛格子空间上平均时的二阶矩的一个公式。这推广了经典的Rogers二阶矩公式在幺模格满空间中的应用。利用这个新的公式,我们给出了博雷尔集中格点个数的差异的很强的界,这对一般的辛格也成立。

英文摘要:

Using results from spectral theory of Eisenstein series, we prove a formula for the second moment of the Siegel transform when averaged over the subspace of symplectic lattices. This generalizes the classical formula of Rogers for the second moment in the full space of unimodular lattices. Using this new formula we give very strong bounds for the discrepancy of the number of lattice points in an Borel set, which hold for generic symplectic lattices.

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