Year: 2026
Type: preprint
Abstract: We prove a density version of Hua's theorem in the five-variable case: if $\mathcal P$ is a subset of the primes with relative lower density greater than $0.82$, then every sufficiently large $n\equiv5\pmod{24}$ is a sum of five squares of primes from $\mathcal P$.
Source: arXiv (Cornell University)
Language: English
Subfield: Algebra and Number Theory
Field: Mathematics
Domain: Physical Sciences
Open Access status: green
OpenAlex ID: W7222932912