The essentially free spectrum of a variety
Logic
2008-02-03 v1 Rings and Algebras
Abstract
We partially prove a conjecture from [MkSh:366] which says that the spectrum of almost free, essentially free, non-free algebras in a variety is either empty or consists of the class of all successor cardinals.
Cite
@article{arxiv.math/9411234,
title = {The essentially free spectrum of a variety},
author = {Alan H. Mekler and Saharon Shelah and Otmar Spinas},
journal= {arXiv preprint arXiv:math/9411234},
year = {2008}
}