Abstract

Reviewed Works:Andreas Blass, Saharon Shelah, Ultrafilters with Small Generating Sets.Andreas Blass, Saharon Shelah, There May Be Simple $P_{\aleph_1}$- and $P_{\aleph_2}$-Points and the Rudin-Keisler ordering may be downward directed.Andreas Blass, Near Coherence of Filters. II: Applications to Operator Ideals, the Stone- Cech Remainder of a Half-Line, Order Ideals of Sequences, and the Slenderness of Groups.Andreas Blass, Saharon Shelah, Near Coherence of Filters III: A Simplified Consistency Proof.Andreas Blass, Claude Laflamme, Consistency Results About Filters and the Number of Inequivalent Growth Types.Andreas Blass, J. Steprans, S. Watson, Applications of Superperfect Forcing and Its Relatives.Andreas Blass, Saharon Shelah, Ultrafilters with Small Generating Sets