Shifted convolution sums for $\mathrm{GL}(3)\times\mathrm{GL}(2)$

Shifted convolution sums for $\mathrm{GL}(3)\times\mathrm{GL}(2)$
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DOI:
10.1215/00127094-2371416
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发表时间:
2012-02
影响因子:
2.5
通讯作者:
R. Munshi
R. Munshi
中科院分区:
数学1区
文献类型:
--
作者:
R. Munshi

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对于移位卷积,sum $$ D_h(X)=\sum_{m=1}^\infty\logda_1(1,m)\logda_2(m+h)V(\frac{m}{X})$$其中,$\mada_1(1,m)$是$SL的傅立叶系数(3,\mathbb Z)$ Maass形式$\pi_1$和$\mathbb Z)$是$SL(2,\mathbb Z)$ Maass或全纯形式$\pi_2$的形式,而$1\leq| H|\ll X^{1+\varepoch}$,我们建立了界$$ D_h(X)\ll_{\pi_1,\pi_2,\varepoch} X^{1-(1/20)+\varepoch}。$$对于移位$h$,上界是一致的。
For the shifted convolution sum $$ D_h(X)=\sum_{m=1}^\infty\lambda_1(1,m)\lambda_2(m+h)V(\frac{m}{X}) $$ where $\lambda_1(1,m)$ are the Fourier coefficients of a $SL(3,\mathbb Z)$ Maass form $\pi_1$, and $\lambda_2(m)$ are those of a $SL(2,\mathbb Z)$ Maass or holomorphic form $\pi_2$, and $1\leq |h| \ll X^{1+\varepsilon}$, we establish the bound $$ D_h(X)\ll_{\pi_1,\pi_2,\varepsilon} X^{1-(1/20)+\varepsilon}. $$ The bound is uniform with respect to the shift $h$.