Sums containing the fractional parts of numbers (Q1073079)

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scientific article; zbMATH DE number 3943940
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Sums containing the fractional parts of numbers
scientific article; zbMATH DE number 3943940

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    Sums containing the fractional parts of numbers (English)
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    1985
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    An asymptotic formula for \(S=\sum_{n\leq x}n^ a \{x/n\}^ k\) is obtained where \(\{\) \(t\}\) is the fractional part of t. It is shown that \[ S=C x^{a+1}+O(x^{a+6/13}\quad \log^{7/13} x), \] where \(C=\int^{\infty}_{1}\{t\}^ k t^{-a-1} dt\).
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    arithmetic sums
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    asymptotic formula
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    fractional part
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