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Main Authors: Alsetri, Ali, Shao, Xuancheng
Format: Preprint
Published: 2024
Subjects:
Online Access:https://arxiv.org/abs/2405.18576
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author Alsetri, Ali
Shao, Xuancheng
author_facet Alsetri, Ali
Shao, Xuancheng
contents Let $δ> 1/2$. We prove that if $A$ is a subset of the primes such that the relative density of $A$ in every reduced residue class is at least $δ$, then almost all even integers can be written as the sum of two primes in $A$. The constant $1/2$ in the statement is best possible. Moreover we give an example to show that for any $\varepsilon > 0$ there exists a subset of the primes with relative density at least $1 - \varepsilon$ such that $A+A$ misses a positive proportion of even integers.
format Preprint
id arxiv_https___arxiv_org_abs_2405_18576
institution arXiv
publishDate 2024
record_format arxiv
spellingShingle Density versions of the binary Goldbach problem
Alsetri, Ali
Shao, Xuancheng
Number Theory
Let $δ> 1/2$. We prove that if $A$ is a subset of the primes such that the relative density of $A$ in every reduced residue class is at least $δ$, then almost all even integers can be written as the sum of two primes in $A$. The constant $1/2$ in the statement is best possible. Moreover we give an example to show that for any $\varepsilon > 0$ there exists a subset of the primes with relative density at least $1 - \varepsilon$ such that $A+A$ misses a positive proportion of even integers.
title Density versions of the binary Goldbach problem
topic Number Theory
url https://arxiv.org/abs/2405.18576