There may be infinitely many near-coherence classes under u<d

19.04.2007 15:00 - 16:30

H. Mildenberger (U Wien)

We show that in the models of u<d from Blass and Shelah there are infinitely many near-coherence classes of ultrafilters, thus answering a question by Banakh and Blass in the negative.

Organiser:

KGRC

Location:
SR 101, 2. St., Währinger Str. 25