𝔖 Bobbio Scriptorium
✦   LIBER   ✦

Definable sets of generators in maximal cofinitary groups

✍ Scribed by Su Gao; Yi Zhang


Book ID
108051586
Publisher
Elsevier Science
Year
2008
Tongue
English
Weight
186 KB
Volume
217
Category
Article
ISSN
0001-8708

No coin nor oath required. For personal study only.


πŸ“œ SIMILAR VOLUMES


Uniformity of the Meager Ideal and Maxim
✍ JΓΆrg Brendle; Otmar Spinas; Yi Zhang πŸ“‚ Article πŸ“… 2000 πŸ› Elsevier Science 🌐 English βš– 142 KB

We prove that every maximal cofinitary group has size at least the cardinality of the smallest non-meager set of reals. We also provide a consistency result saying that the spectrum of possible cardinalities of maximal cofinitary groups may be quite arbitrary.