Eisenstein series and an asymptotic for the K-Bessel function

Eisenstein series and an asymptotic for the K-Bessel function
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DOI:
10.1007/s11139-020-00358-8
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发表时间:
2018-12
期刊:
The Ramanujan Journal
影响因子:
--
通讯作者:
J. Tseng
J. Tseng
中科院分区:
其他
文献类型:
--
作者:
J. Tseng

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我们对具有正实参和大复阶的 K-Bessel 函数(其中有界)和固定参数或固定参数生成估计。特别是,我们计算了 as 的渐近展开式的主导项。当两者接近(或相等)时,我们也会给出统一的估计。作为这些估计的应用,我们给出了每个不等价尖点的权重零(实解析)艾森斯坦序列的界限。
We produce an estimate for theK-Bessel functionwith positive, real argumentyand of large complex orderwhereris bounded andfor a fixed parameterorfor a fixed parameter. In particular, we compute the dominant term of the asymptotic expansion ofas. Whentandyare close (or equal), we also give a uniform estimate. As an application of these estimates, we give bounds on the weight-zero (real-analytic) Eisenstein seriesfor each inequivalent cuspwhen.