paper

Compactness in abelian group theory

arXiv:2508.16038

Abstract

In this paper we discuss large cardinals and compactness theorems in abelian group theory. More specifically, we generalize two classical compactness results for free abelian groups to the broader context of direct sums of cyclic groups.

8 pages. Comments are welcome

Compactness in abelian group theory · wovepaper