Rooted trees, strong cofinality and ample generics
Group Theory
2011-10-21 v1 Logic
Abstract
We characterize those countable rooted trees whose full automorphism group has uncountable strong cofinality or contains an open subgroup with ample generics.
Cite
@article{arxiv.1110.4511,
title = {Rooted trees, strong cofinality and ample generics},
author = {Maciej Malicki},
journal= {arXiv preprint arXiv:1110.4511},
year = {2011}
}
Comments
arXiv admin note: text overlap with arXiv:1105.1224