October 19th, 2006:
Bernhard Irrgang (Universität Bonn)
Some News on Morasses and Forcing.
October 26th, 2006:
Jip Veldman (Universität Bonn)
Some remarks on mutual stationarity properties.
November 9th, 2006:
Peter Koepke (Universität Bonn)
Ordinal Computability and Fine Structure.
November 30th, 2006:
Ralf Schindler (Universität Münster)
The strength of PFA.
Abstract: We show that one of the following fails.
(1) The K^c construction does not break down. (2) There is
no subcompact cardinal in any inner model. (3) PFA.
This is joint work with Jensen, Schimmerling, and Steel