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arXiv 1710.04697math.RTmath.NT
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Whittaker函数和测试向量的扩展

Extension of Whittaker functions and test vectors

Robert Kurinczuk, Nadir Matringe

摘要:

证明了一般线性群上的Whittaker函数与Schwartz函数的某些乘积可推广到更大的一般线性群上的Whittaker函数.这推广了Cogdell-Piatetski-Shapiro \cite{CPS}和Jacquet-Piatetski-Shapiro-Shalika \cite{JPSS83}的结果。作为结果,我们证明了离散级数表示和离散级数表示的Zelevinsky对偶的乘积的Rankin-Selberg $L$ -因子由单个Rankin-Selberg积分给出。

英文摘要:

We show that certain products of Whittaker functions and Schwartz functions on a general linear group extend to Whittaker functions on a larger general linear group. This generalizes results of Cogdell--Piatetski-Shapiro \cite{CPS} and Jacquet--Piatetski-Shapiro--Shalika \cite{JPSS83}. As a consequence, we prove that the Rankin--Selberg $L$-factor of the product of a discrete series representation and the Zelevinsky dual of a discrete series representation is given by a single Rankin--Selberg integral.

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