Universal abelian groups
Logic
2016-09-06 v1
Abstract
We examine the existence of universal elements in classes of infinite abelian groups. The main method is using group invariants which are defined relative to club guessing sequences. We prove, for example: Theorem: For , there is a purely universal separable -group in if, and only if, .
Cite
@article{arxiv.math/9409207,
title = {Universal abelian groups},
author = {Menachem Kojman and Saharon Shelah},
journal= {arXiv preprint arXiv:math/9409207},
year = {2016}
}