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Rooted trees, strong cofinality and ample generics
Published online by Cambridge University Press: 01 October 2012
Abstract
We characterize those countable rooted trees with non-trivial components whose full automorphism group has uncountable strong cofinality, and those whose full automorphism group contains an open subgroup with ample generics.
- Type
- Research Article
- Information
- Mathematical Proceedings of the Cambridge Philosophical Society , Volume 154 , Issue 2 , March 2013 , pp. 213 - 223
- Copyright
- Copyright © Cambridge Philosophical Society 2012
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