Higher-Power Moments of δ(x), E(t) and P(x)

Higher-Power Moments of δ(x), E(t) and P(x)
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DOI:
10.1112/plms/s3-65.1.65
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发表时间:
1992-07
影响因子:
1.8
通讯作者:
K. Tsang
K. Tsang
中科院分区:
数学1区
文献类型:
--
作者:
K. Tsang

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令Δ(x)表示除数和的渐近公式中的误差项。利用一个关于Δ(x)的Voronoi型公式,我们证明了Δ 2 x Δ(x)3dx <$cX4 2和Δ 2 x Δ(x)4dx <$c 'X2,其中c和c'是一些正常数.对三次幂矩的估计表明Δ 3(x)强烈地偏向于正侧。对于临界线上Riemann zeta函数均方公式中的误差项E(t)和圆问题中的误差项P(x),我们也得到了类似的结果
Let Δ(x) denote the error term in the asymptotic formula for the divisor sum. Using a Voronoi-type formula for Δ(x), we prove that ∫ 2 x Δ(x) 3 dx≃cX 4 2 and ∫ 2 x Δ(x) 4 dx≃c'X 2 , where c and c'are some positive constants. The estimate for the third-power moment shows that Δ 3 (x) is strongly biased towards the positive side. We also obtain similar results for E(t), the error term in the mean square formula for the Riemann zeta-function on the critical line, and for P(x), the error term in the circle problem