Shifted convolution sums of fourier coefficients with divisor functions
Shifted convolution sums of fourier coefficients with divisor functions
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具有除数函数的傅里叶系数的移位卷积和
DOI:
10.1007/s10474-015-0499-4
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发表时间:
2015-05
影响因子:
0.9
通讯作者:
Lu, G.
中科院分区:
文献类型:
--
作者:
Lu, G.
Letf(z) be a primitive holomorphic cusp form of even integral weightkfor the full modular group. Denote itsnth normalized Fourier coefficient (Hecke eigenvalue) by λf(n). Letd(n) be the Dirichlet divisor function. In this paper, we establish that $$\left.\begin{array}{ll}\quad \sum\limits_{n\leqq x}|\lambda_{f}(n^j)|d(n - 1) = c(f, j)x(log x)^{{\delta}_{j}} (1 + o(1)),\\\sum\limits_{n\leqq x}|\lambda_{f}(n^i)\lambda_{f}(n^j)|d(n - 1) = c(f, i, j)x(log x)^{{\delta}_{i,j}} (1 + o(1)),\\\quad \sum\limits_{n\leqq x}\lambda_{f}(n)^{2j}d(n - 1) = d(f, j)x(log x)^{{A}_{j}} (1 + o(1)),\end{array}\right.$$where,(if and only ifi=j), and.
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