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arXiv 1601.02529math.NT
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$|θ|^2$的谱分解

The spectral decomposition of $|θ|^2$

Paul D. Nelson

摘要:

令$θ$为初等θ函数,例如经典的Jacobi θ函数。我们建立了一个谱分解和令人惊讶的强大的渐近公式$\langle |θ|^2, φ\rangle$ $φ$遍历一个足够好的固定函数的赫克平移序列。微妙之处在于,通常是$|θ|^2 \notin L^2$。应用到次凸性,量子方差和$4$ -范数问题的指示。

英文摘要:

Let $θ$ be an elementary theta function, such as the classical Jacobi theta function. We establish a spectral decomposition and surprisingly strong asymptotic formulas for $\langle |θ|^2, φ\rangle$ as $φ$ traverses a sequence of Hecke-translates of a nice enough fixed function. The subtlety is that typically $|θ|^2 \notin L^2$. Applications to the subconvexity, quantum variance and $4$-norm problems are indicated.

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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