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On the sum of a prime and a k-th power of prime in short intervals

Acta Mathematica Hungarica

Volume/Issue:: Volume 135: Issue 3
DOI:: https://doi.org/10.1007/s10474-011-0193-0

Author:

Y. C. Wang

in short intervals Sieve Methods, Exponential Sums and their Applications in Number Theory 1 – 54 10.1017/CBO9780511526091.004 . Cambridge University Press. [2

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Exponential sums over primes in short intervals

Acta Mathematica Hungarica

Volume/Issue:: Volume 48: Issue 1-2
DOI:: https://doi.org/10.1007/bf01949067

Authors:

A. Balog

and

A. Perelli

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Short interval asymptotics for a class of arithmetic functions

Acta Mathematica Hungarica

Volume/Issue:: Volume 113: Issue 1-2
DOI:: https://doi.org/10.1007/s10474-006-0092-y

Authors:

Mübariz Z. Garaev

Florian Luca

, and

Werner Georg Nowak

Summary

We provide a general asymptotic formula which permits applications to sums like \documentclass{aastex} \usepackage{amsbsy} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{bm} \usepackage{mathrsfs} \usepackage{pifont} \usepackage{stmaryrd} \usepackage{textcomp} \usepackage{upgreek} \usepackage{portland,xspace} \usepackage{amsmath,amsxtra} \usepackage{bbm} \pagestyle{empty} \DeclareMathSizes{10}{9}{7}{6} \begin{document} $\sum_{x< n\le x+y} \big(d(n)\big)^2, \quad \sum_{x< n\le x+y} d(n^3),\quad \sum_{x< n\le x+y}\big(r(n)\big)^2, \quad \sum_{x< n\le x+y}r(n^3),$ \end{document} $ where \documentclass{aastex} \usepackage{amsbsy} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{bm} \usepackage{mathrsfs} \usepackage{pifont} \usepackage{stmaryrd} \usepackage{textcomp} \usepackage{upgreek} \usepackage{portland,xspace} \usepackage{amsmath,amsxtra} \usepackage{bbm} \pagestyle{empty} \DeclareMathSizes{10}{9}{7}{6} \begin{document} $d(n)$ \end{document} and \documentclass{aastex} \usepackage{amsbsy} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{bm} \usepackage{mathrsfs} \usepackage{pifont} \usepackage{stmaryrd} \usepackage{textcomp} \usepackage{upgreek} \usepackage{portland,xspace} \usepackage{amsmath,amsxtra} \usepackage{bbm} \pagestyle{empty} \DeclareMathSizes{10}{9}{7}{6} \begin{document} $r(n)$ \end{document} are the usual arithmetic functions (number of divisors, sums of two squares), and \documentclass{aastex} \usepackage{amsbsy} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{bm} \usepackage{mathrsfs} \usepackage{pifont} \usepackage{stmaryrd} \usepackage{textcomp} \usepackage{upgreek} \usepackage{portland,xspace} \usepackage{amsmath,amsxtra} \usepackage{bbm} \pagestyle{empty} \DeclareMathSizes{10}{9}{7}{6} \begin{document} $y$ \end{document} is small compared to~ \documentclass{aastex} \usepackage{amsbsy} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{bm} \usepackage{mathrsfs} \usepackage{pifont} \usepackage{stmaryrd} \usepackage{textcomp} \usepackage{upgreek} \usepackage{portland,xspace} \usepackage{amsmath,amsxtra} \usepackage{bbm} \pagestyle{empty} \DeclareMathSizes{10}{9}{7}{6} \begin{document} $x$ \end{document} .