An update on the Linnik--Goldbach and Romanov problems

Fuente: arXiv
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Autori principali: Johnston, Daniel R., Trudgian, Tim
Natura: Preprint
Pubblicazione: 2026
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author Johnston, Daniel R.
Trudgian, Tim
author_facet Johnston, Daniel R.
Trudgian, Tim
contents We consider the Linnik--Goldbach problem of writing all large even integers as the sum of two primes and a fixed number of powers of 2. We show that, under the generalised Riemann hypothesis, one can use 6 powers of two. In addition, we update the best known bounds on Romanov's constant, showing unconditionally that more than $25\%$ of odd numbers can be written as the sum of a prime and a power of 2.
format Preprint
id arxiv_https___arxiv_org_abs_2605_17825
institution arXiv
publishDate 2026
record_format arxiv
spellingShingle An update on the Linnik--Goldbach and Romanov problems
Johnston, Daniel R.
Trudgian, Tim
Number Theory
11N36, 11P32, 11M26, 11P55
We consider the Linnik--Goldbach problem of writing all large even integers as the sum of two primes and a fixed number of powers of 2. We show that, under the generalised Riemann hypothesis, one can use 6 powers of two. In addition, we update the best known bounds on Romanov's constant, showing unconditionally that more than $25\%$ of odd numbers can be written as the sum of a prime and a power of 2.
title An update on the Linnik--Goldbach and Romanov problems
topic Number Theory
11N36, 11P32, 11M26, 11P55
url https://arxiv.org/abs/2605.17825