On a variance of Hecke eigenvalues in arithmetic progressions
On a variance of Hecke eigenvalues in arithmetic progressions
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DOI:
10.1016/j.jnt.2011.12.011
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发表时间:
2012-05
影响因子:
0.7
通讯作者:
Y. Lau;Lilu Zhao
中科院分区:
文献类型:
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作者:
Y. Lau;Lilu Zhao
Let a(n) be the eigenvalue of a holomorphic Hecke eigenform f under the nth Hecke operator. We derive asymptotic formulae for the variance when X1/4+ε≤q≤X1/2−εor X1/2+ε≤q≤X1−ε, that exhibit distinct behavior. The analogous problem for the divisor function will be studied as well.