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arXiv 2005.07629math.NT
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$\mathbb{H}^3$中模符号的分布

Distribution of modular symbols in $\mathbb{H}^3$

Petru Constantinescu

摘要:

我们介绍了一种新的技术的研究分布的模块化的符号,我们适用于同余子群的Bianchi群。证明了:若$K$是类数为1的二次虚数域,$\mathcal{O}_K$是它的整数环,则对$\mathrm{PSL}_2(\mathcal{O}_K)$的某些同余子群,权为2的尖点形式的周期渐近服从正态分布.这些结果是专门从更一般的设置商表面的余有限Kleinian群,我们的方法适用。我们避免使用矩量法。我们的新见解是使用的行为的最小特征值的拉普拉斯空间扭曲的模块化符号。我们的方法还恢复了分布的一阶和二阶矩。

英文摘要:

We introduce a new technique for the study of the distribution of modular symbols, which we apply to congruence subgroups of Bianchi groups. We prove that if $K$ is a quadratic imaginary number field of class number one and $\mathcal{O}_K$ its ring of integers, then for certain congruence subgroups of $\mathrm{PSL}_2(\mathcal{O}_K)$, the periods of a cusp form of weight two obey asymptotically a normal distribution. These results are specialisations from the more general setting of quotient surfaces of cofinite Kleinian groups, where our methods apply. We avoid the method of moments. Our new insight is to use the behaviour of the smallest eigenvalue of the Laplacian for spaces twisted by modular symbols. Our approach also recovers the first and the second moment of the distribution.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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